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authorsaturneric <[email protected]>2025-11-16 14:34:50 +0000
committersaturneric <[email protected]>2025-11-16 14:34:50 +0000
commit690862a8d74fee1e07f33dad44b761753f101779 (patch)
treef81bdcab8cd5a640518dba5056de6c62bd071eaf /drivers/net/ethernet/intel
parentMerge tag 'v6.17.7' into linux-6.17.y (diff)
parentLinux 6.17.8 (diff)
downloadkernel-linux-6.17.y.tar.gz
kernel-linux-6.17.y.zip
Merge tag 'v6.17.8' into linux-6.17.ylinux-6.17.y
This is the 6.17.8 stable release
Diffstat (limited to 'drivers/net/ethernet/intel')
-rw-r--r--drivers/net/ethernet/intel/fm10k/fm10k_common.c5
-rw-r--r--drivers/net/ethernet/intel/fm10k/fm10k_common.h2
-rw-r--r--drivers/net/ethernet/intel/fm10k/fm10k_pf.c2
-rw-r--r--drivers/net/ethernet/intel/fm10k/fm10k_vf.c2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_main.c2
-rw-r--r--drivers/net/ethernet/intel/ice/ice_trace.h10
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf.h2
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_lib.c140
-rw-r--r--drivers/net/ethernet/intel/idpf/idpf_txrx.c146
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c59
10 files changed, 216 insertions, 154 deletions
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_common.c b/drivers/net/ethernet/intel/fm10k/fm10k_common.c
index f51a63fca513..1f919a50c765 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_common.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_common.c
@@ -447,17 +447,16 @@ void fm10k_update_hw_stats_q(struct fm10k_hw *hw, struct fm10k_hw_stats_q *q,
/**
* fm10k_unbind_hw_stats_q - Unbind the queue counters from their queues
* @q: pointer to the ring of hardware statistics queue
- * @idx: index pointing to the start of the ring iteration
* @count: number of queues to iterate over
*
* Function invalidates the index values for the queues so any updates that
* may have happened are ignored and the base for the queue stats is reset.
**/
-void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 idx, u32 count)
+void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 count)
{
u32 i;
- for (i = 0; i < count; i++, idx++, q++) {
+ for (i = 0; i < count; i++, q++) {
q->rx_stats_idx = 0;
q->tx_stats_idx = 0;
}
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_common.h b/drivers/net/ethernet/intel/fm10k/fm10k_common.h
index 4c48fb73b3e7..13fca6a91a01 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_common.h
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_common.h
@@ -43,6 +43,6 @@ u32 fm10k_read_hw_stats_32b(struct fm10k_hw *hw, u32 addr,
void fm10k_update_hw_stats_q(struct fm10k_hw *hw, struct fm10k_hw_stats_q *q,
u32 idx, u32 count);
#define fm10k_unbind_hw_stats_32b(s) ((s)->base_h = 0)
-void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 idx, u32 count);
+void fm10k_unbind_hw_stats_q(struct fm10k_hw_stats_q *q, u32 count);
s32 fm10k_get_host_state_generic(struct fm10k_hw *hw, bool *host_ready);
#endif /* _FM10K_COMMON_H_ */
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c
index b9dd7b719832..3394645a18fe 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c
@@ -1389,7 +1389,7 @@ static void fm10k_rebind_hw_stats_pf(struct fm10k_hw *hw,
fm10k_unbind_hw_stats_32b(&stats->nodesc_drop);
/* Unbind Queue Statistics */
- fm10k_unbind_hw_stats_q(stats->q, 0, hw->mac.max_queues);
+ fm10k_unbind_hw_stats_q(stats->q, hw->mac.max_queues);
/* Reinitialize bases for all stats */
fm10k_update_hw_stats_pf(hw, stats);
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_vf.c b/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
index 7fb1961f2921..6861a0bdc14e 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_vf.c
@@ -465,7 +465,7 @@ static void fm10k_rebind_hw_stats_vf(struct fm10k_hw *hw,
struct fm10k_hw_stats *stats)
{
/* Unbind Queue Statistics */
- fm10k_unbind_hw_stats_q(stats->q, 0, hw->mac.max_queues);
+ fm10k_unbind_hw_stats_q(stats->q, hw->mac.max_queues);
/* Reinitialize bases for all stats */
fm10k_update_hw_stats_vf(hw, stats);
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 77781277aa8e..92b95d92d599 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -9125,7 +9125,7 @@ static int ice_create_q_channels(struct ice_vsi *vsi)
list_add_tail(&ch->list, &vsi->ch_list);
vsi->tc_map_vsi[i] = ch->ch_vsi;
dev_dbg(ice_pf_to_dev(pf),
- "successfully created channel: VSI %pK\n", ch->ch_vsi);
+ "successfully created channel: VSI %p\n", ch->ch_vsi);
}
return 0;
diff --git a/drivers/net/ethernet/intel/ice/ice_trace.h b/drivers/net/ethernet/intel/ice/ice_trace.h
index 07aab6e130cd..4f35ef8d6b29 100644
--- a/drivers/net/ethernet/intel/ice/ice_trace.h
+++ b/drivers/net/ethernet/intel/ice/ice_trace.h
@@ -130,7 +130,7 @@ DECLARE_EVENT_CLASS(ice_tx_template,
__entry->buf = buf;
__assign_str(devname);),
- TP_printk("netdev: %s ring: %pK desc: %pK buf %pK", __get_str(devname),
+ TP_printk("netdev: %s ring: %p desc: %p buf %p", __get_str(devname),
__entry->ring, __entry->desc, __entry->buf)
);
@@ -158,7 +158,7 @@ DECLARE_EVENT_CLASS(ice_rx_template,
__entry->desc = desc;
__assign_str(devname);),
- TP_printk("netdev: %s ring: %pK desc: %pK", __get_str(devname),
+ TP_printk("netdev: %s ring: %p desc: %p", __get_str(devname),
__entry->ring, __entry->desc)
);
DEFINE_EVENT(ice_rx_template, ice_clean_rx_irq,
@@ -182,7 +182,7 @@ DECLARE_EVENT_CLASS(ice_rx_indicate_template,
__entry->skb = skb;
__assign_str(devname);),
- TP_printk("netdev: %s ring: %pK desc: %pK skb %pK", __get_str(devname),
+ TP_printk("netdev: %s ring: %p desc: %p skb %p", __get_str(devname),
__entry->ring, __entry->desc, __entry->skb)
);
@@ -205,7 +205,7 @@ DECLARE_EVENT_CLASS(ice_xmit_template,
__entry->skb = skb;
__assign_str(devname);),
- TP_printk("netdev: %s skb: %pK ring: %pK", __get_str(devname),
+ TP_printk("netdev: %s skb: %p ring: %p", __get_str(devname),
__entry->skb, __entry->ring)
);
@@ -228,7 +228,7 @@ DECLARE_EVENT_CLASS(ice_tx_tstamp_template,
TP_fast_assign(__entry->skb = skb;
__entry->idx = idx;),
- TP_printk("skb %pK idx %d",
+ TP_printk("skb %p idx %d",
__entry->skb, __entry->idx)
);
#define DEFINE_TX_TSTAMP_OP_EVENT(name) \
diff --git a/drivers/net/ethernet/intel/idpf/idpf.h b/drivers/net/ethernet/intel/idpf/idpf.h
index f4c0eaf9bde3..aafbb280c2e7 100644
--- a/drivers/net/ethernet/intel/idpf/idpf.h
+++ b/drivers/net/ethernet/intel/idpf/idpf.h
@@ -148,6 +148,7 @@ enum idpf_vport_state {
* @link_speed_mbps: Link speed in mbps
* @vport_idx: Relative vport index
* @max_tx_hdr_size: Max header length hardware can support
+ * @tx_max_bufs: Max buffers that can be transmitted with scatter-gather
* @state: See enum idpf_vport_state
* @netstats: Packet and byte stats
* @stats_lock: Lock to protect stats update
@@ -159,6 +160,7 @@ struct idpf_netdev_priv {
u32 link_speed_mbps;
u16 vport_idx;
u16 max_tx_hdr_size;
+ u16 tx_max_bufs;
enum idpf_vport_state state;
struct rtnl_link_stats64 netstats;
spinlock_t stats_lock;
diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c
index 513032cb5f08..f4b89d222610 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_lib.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c
@@ -776,6 +776,7 @@ static int idpf_cfg_netdev(struct idpf_vport *vport)
np->vport_idx = vport->idx;
np->vport_id = vport->vport_id;
np->max_tx_hdr_size = idpf_get_max_tx_hdr_size(adapter);
+ np->tx_max_bufs = idpf_get_max_tx_bufs(adapter);
spin_lock_init(&np->stats_lock);
@@ -883,14 +884,18 @@ static void idpf_remove_features(struct idpf_vport *vport)
/**
* idpf_vport_stop - Disable a vport
* @vport: vport to disable
+ * @rtnl: whether to take RTNL lock
*/
-static void idpf_vport_stop(struct idpf_vport *vport)
+static void idpf_vport_stop(struct idpf_vport *vport, bool rtnl)
{
struct idpf_netdev_priv *np = netdev_priv(vport->netdev);
if (np->state <= __IDPF_VPORT_DOWN)
return;
+ if (rtnl)
+ rtnl_lock();
+
netif_carrier_off(vport->netdev);
netif_tx_disable(vport->netdev);
@@ -912,6 +917,9 @@ static void idpf_vport_stop(struct idpf_vport *vport)
idpf_vport_queues_rel(vport);
idpf_vport_intr_rel(vport);
np->state = __IDPF_VPORT_DOWN;
+
+ if (rtnl)
+ rtnl_unlock();
}
/**
@@ -935,7 +943,7 @@ static int idpf_stop(struct net_device *netdev)
idpf_vport_ctrl_lock(netdev);
vport = idpf_netdev_to_vport(netdev);
- idpf_vport_stop(vport);
+ idpf_vport_stop(vport, false);
idpf_vport_ctrl_unlock(netdev);
@@ -1028,7 +1036,7 @@ static void idpf_vport_dealloc(struct idpf_vport *vport)
idpf_idc_deinit_vport_aux_device(vport->vdev_info);
idpf_deinit_mac_addr(vport);
- idpf_vport_stop(vport);
+ idpf_vport_stop(vport, true);
if (!test_bit(IDPF_HR_RESET_IN_PROG, adapter->flags))
idpf_decfg_netdev(vport);
@@ -1369,8 +1377,9 @@ static void idpf_rx_init_buf_tail(struct idpf_vport *vport)
/**
* idpf_vport_open - Bring up a vport
* @vport: vport to bring up
+ * @rtnl: whether to take RTNL lock
*/
-static int idpf_vport_open(struct idpf_vport *vport)
+static int idpf_vport_open(struct idpf_vport *vport, bool rtnl)
{
struct idpf_netdev_priv *np = netdev_priv(vport->netdev);
struct idpf_adapter *adapter = vport->adapter;
@@ -1380,6 +1389,9 @@ static int idpf_vport_open(struct idpf_vport *vport)
if (np->state != __IDPF_VPORT_DOWN)
return -EBUSY;
+ if (rtnl)
+ rtnl_lock();
+
/* we do not allow interface up just yet */
netif_carrier_off(vport->netdev);
@@ -1387,7 +1399,7 @@ static int idpf_vport_open(struct idpf_vport *vport)
if (err) {
dev_err(&adapter->pdev->dev, "Failed to allocate interrupts for vport %u: %d\n",
vport->vport_id, err);
- return err;
+ goto err_rtnl_unlock;
}
err = idpf_vport_queues_alloc(vport);
@@ -1474,6 +1486,9 @@ static int idpf_vport_open(struct idpf_vport *vport)
goto deinit_rss;
}
+ if (rtnl)
+ rtnl_unlock();
+
return 0;
deinit_rss:
@@ -1491,6 +1506,10 @@ queues_rel:
intr_rel:
idpf_vport_intr_rel(vport);
+err_rtnl_unlock:
+ if (rtnl)
+ rtnl_unlock();
+
return err;
}
@@ -1571,7 +1590,7 @@ void idpf_init_task(struct work_struct *work)
np = netdev_priv(vport->netdev);
np->state = __IDPF_VPORT_DOWN;
if (test_and_clear_bit(IDPF_VPORT_UP_REQUESTED, vport_config->flags))
- idpf_vport_open(vport);
+ idpf_vport_open(vport, true);
/* Spawn and return 'idpf_init_task' work queue until all the
* default vports are created
@@ -1961,7 +1980,7 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,
idpf_send_delete_queues_msg(vport);
} else {
set_bit(IDPF_VPORT_DEL_QUEUES, vport->flags);
- idpf_vport_stop(vport);
+ idpf_vport_stop(vport, false);
}
idpf_deinit_rss(vport);
@@ -1991,7 +2010,7 @@ int idpf_initiate_soft_reset(struct idpf_vport *vport,
goto err_open;
if (current_state == __IDPF_VPORT_UP)
- err = idpf_vport_open(vport);
+ err = idpf_vport_open(vport, false);
goto free_vport;
@@ -2001,7 +2020,7 @@ err_reset:
err_open:
if (current_state == __IDPF_VPORT_UP)
- idpf_vport_open(vport);
+ idpf_vport_open(vport, false);
free_vport:
kfree(new_vport);
@@ -2239,7 +2258,7 @@ static int idpf_open(struct net_device *netdev)
if (err)
goto unlock;
- err = idpf_vport_open(vport);
+ err = idpf_vport_open(vport, false);
unlock:
idpf_vport_ctrl_unlock(netdev);
@@ -2272,6 +2291,92 @@ static int idpf_change_mtu(struct net_device *netdev, int new_mtu)
}
/**
+ * idpf_chk_tso_segment - Check skb is not using too many buffers
+ * @skb: send buffer
+ * @max_bufs: maximum number of buffers
+ *
+ * For TSO we need to count the TSO header and segment payload separately. As
+ * such we need to check cases where we have max_bufs-1 fragments or more as we
+ * can potentially require max_bufs+1 DMA transactions, 1 for the TSO header, 1
+ * for the segment payload in the first descriptor, and another max_buf-1 for
+ * the fragments.
+ *
+ * Returns true if the packet needs to be software segmented by core stack.
+ */
+static bool idpf_chk_tso_segment(const struct sk_buff *skb,
+ unsigned int max_bufs)
+{
+ const struct skb_shared_info *shinfo = skb_shinfo(skb);
+ const skb_frag_t *frag, *stale;
+ int nr_frags, sum;
+
+ /* no need to check if number of frags is less than max_bufs - 1 */
+ nr_frags = shinfo->nr_frags;
+ if (nr_frags < (max_bufs - 1))
+ return false;
+
+ /* We need to walk through the list and validate that each group
+ * of max_bufs-2 fragments totals at least gso_size.
+ */
+ nr_frags -= max_bufs - 2;
+ frag = &shinfo->frags[0];
+
+ /* Initialize size to the negative value of gso_size minus 1. We use
+ * this as the worst case scenario in which the frag ahead of us only
+ * provides one byte which is why we are limited to max_bufs-2
+ * descriptors for a single transmit as the header and previous
+ * fragment are already consuming 2 descriptors.
+ */
+ sum = 1 - shinfo->gso_size;
+
+ /* Add size of frags 0 through 4 to create our initial sum */
+ sum += skb_frag_size(frag++);
+ sum += skb_frag_size(frag++);
+ sum += skb_frag_size(frag++);
+ sum += skb_frag_size(frag++);
+ sum += skb_frag_size(frag++);
+
+ /* Walk through fragments adding latest fragment, testing it, and
+ * then removing stale fragments from the sum.
+ */
+ for (stale = &shinfo->frags[0];; stale++) {
+ int stale_size = skb_frag_size(stale);
+
+ sum += skb_frag_size(frag++);
+
+ /* The stale fragment may present us with a smaller
+ * descriptor than the actual fragment size. To account
+ * for that we need to remove all the data on the front and
+ * figure out what the remainder would be in the last
+ * descriptor associated with the fragment.
+ */
+ if (stale_size > IDPF_TX_MAX_DESC_DATA) {
+ int align_pad = -(skb_frag_off(stale)) &
+ (IDPF_TX_MAX_READ_REQ_SIZE - 1);
+
+ sum -= align_pad;
+ stale_size -= align_pad;
+
+ do {
+ sum -= IDPF_TX_MAX_DESC_DATA_ALIGNED;
+ stale_size -= IDPF_TX_MAX_DESC_DATA_ALIGNED;
+ } while (stale_size > IDPF_TX_MAX_DESC_DATA);
+ }
+
+ /* if sum is negative we failed to make sufficient progress */
+ if (sum < 0)
+ return true;
+
+ if (!nr_frags--)
+ break;
+
+ sum -= stale_size;
+ }
+
+ return false;
+}
+
+/**
* idpf_features_check - Validate packet conforms to limits
* @skb: skb buffer
* @netdev: This port's netdev
@@ -2292,12 +2397,15 @@ static netdev_features_t idpf_features_check(struct sk_buff *skb,
if (skb->ip_summed != CHECKSUM_PARTIAL)
return features;
- /* We cannot support GSO if the MSS is going to be less than
- * 88 bytes. If it is then we need to drop support for GSO.
- */
- if (skb_is_gso(skb) &&
- (skb_shinfo(skb)->gso_size < IDPF_TX_TSO_MIN_MSS))
- features &= ~NETIF_F_GSO_MASK;
+ if (skb_is_gso(skb)) {
+ /* We cannot support GSO if the MSS is going to be less than
+ * 88 bytes. If it is then we need to drop support for GSO.
+ */
+ if (skb_shinfo(skb)->gso_size < IDPF_TX_TSO_MIN_MSS)
+ features &= ~NETIF_F_GSO_MASK;
+ else if (idpf_chk_tso_segment(skb, np->tx_max_bufs))
+ features &= ~NETIF_F_GSO_MASK;
+ }
/* Ensure MACLEN is <= 126 bytes (63 words) and not an odd size */
len = skb_network_offset(skb);
diff --git a/drivers/net/ethernet/intel/idpf/idpf_txrx.c b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
index 50f90ed3107e..92634c4bb369 100644
--- a/drivers/net/ethernet/intel/idpf/idpf_txrx.c
+++ b/drivers/net/ethernet/intel/idpf/idpf_txrx.c
@@ -11,8 +11,28 @@
#define idpf_tx_buf_next(buf) (*(u32 *)&(buf)->priv)
LIBETH_SQE_CHECK_PRIV(u32);
-static bool idpf_chk_linearize(struct sk_buff *skb, unsigned int max_bufs,
- unsigned int count);
+/**
+ * idpf_chk_linearize - Check if skb exceeds max descriptors per packet
+ * @skb: send buffer
+ * @max_bufs: maximum scatter gather buffers for single packet
+ * @count: number of buffers this packet needs
+ *
+ * Make sure we don't exceed maximum scatter gather buffers for a single
+ * packet.
+ * TSO case has been handled earlier from idpf_features_check().
+ */
+static bool idpf_chk_linearize(const struct sk_buff *skb,
+ unsigned int max_bufs,
+ unsigned int count)
+{
+ if (likely(count <= max_bufs))
+ return false;
+
+ if (skb_is_gso(skb))
+ return false;
+
+ return true;
+}
/**
* idpf_tx_timeout - Respond to a Tx Hang
@@ -2397,111 +2417,6 @@ int idpf_tso(struct sk_buff *skb, struct idpf_tx_offload_params *off)
return 1;
}
-/**
- * __idpf_chk_linearize - Check skb is not using too many buffers
- * @skb: send buffer
- * @max_bufs: maximum number of buffers
- *
- * For TSO we need to count the TSO header and segment payload separately. As
- * such we need to check cases where we have max_bufs-1 fragments or more as we
- * can potentially require max_bufs+1 DMA transactions, 1 for the TSO header, 1
- * for the segment payload in the first descriptor, and another max_buf-1 for
- * the fragments.
- */
-static bool __idpf_chk_linearize(struct sk_buff *skb, unsigned int max_bufs)
-{
- const struct skb_shared_info *shinfo = skb_shinfo(skb);
- const skb_frag_t *frag, *stale;
- int nr_frags, sum;
-
- /* no need to check if number of frags is less than max_bufs - 1 */
- nr_frags = shinfo->nr_frags;
- if (nr_frags < (max_bufs - 1))
- return false;
-
- /* We need to walk through the list and validate that each group
- * of max_bufs-2 fragments totals at least gso_size.
- */
- nr_frags -= max_bufs - 2;
- frag = &shinfo->frags[0];
-
- /* Initialize size to the negative value of gso_size minus 1. We use
- * this as the worst case scenario in which the frag ahead of us only
- * provides one byte which is why we are limited to max_bufs-2
- * descriptors for a single transmit as the header and previous
- * fragment are already consuming 2 descriptors.
- */
- sum = 1 - shinfo->gso_size;
-
- /* Add size of frags 0 through 4 to create our initial sum */
- sum += skb_frag_size(frag++);
- sum += skb_frag_size(frag++);
- sum += skb_frag_size(frag++);
- sum += skb_frag_size(frag++);
- sum += skb_frag_size(frag++);
-
- /* Walk through fragments adding latest fragment, testing it, and
- * then removing stale fragments from the sum.
- */
- for (stale = &shinfo->frags[0];; stale++) {
- int stale_size = skb_frag_size(stale);
-
- sum += skb_frag_size(frag++);
-
- /* The stale fragment may present us with a smaller
- * descriptor than the actual fragment size. To account
- * for that we need to remove all the data on the front and
- * figure out what the remainder would be in the last
- * descriptor associated with the fragment.
- */
- if (stale_size > IDPF_TX_MAX_DESC_DATA) {
- int align_pad = -(skb_frag_off(stale)) &
- (IDPF_TX_MAX_READ_REQ_SIZE - 1);
-
- sum -= align_pad;
- stale_size -= align_pad;
-
- do {
- sum -= IDPF_TX_MAX_DESC_DATA_ALIGNED;
- stale_size -= IDPF_TX_MAX_DESC_DATA_ALIGNED;
- } while (stale_size > IDPF_TX_MAX_DESC_DATA);
- }
-
- /* if sum is negative we failed to make sufficient progress */
- if (sum < 0)
- return true;
-
- if (!nr_frags--)
- break;
-
- sum -= stale_size;
- }
-
- return false;
-}
-
-/**
- * idpf_chk_linearize - Check if skb exceeds max descriptors per packet
- * @skb: send buffer
- * @max_bufs: maximum scatter gather buffers for single packet
- * @count: number of buffers this packet needs
- *
- * Make sure we don't exceed maximum scatter gather buffers for a single
- * packet. We have to do some special checking around the boundary (max_bufs-1)
- * if TSO is on since we need count the TSO header and payload separately.
- * E.g.: a packet with 7 fragments can require 9 DMA transactions; 1 for TSO
- * header, 1 for segment payload, and then 7 for the fragments.
- */
-static bool idpf_chk_linearize(struct sk_buff *skb, unsigned int max_bufs,
- unsigned int count)
-{
- if (likely(count < max_bufs))
- return false;
- if (skb_is_gso(skb))
- return __idpf_chk_linearize(skb, max_bufs);
-
- return count > max_bufs;
-}
/**
* idpf_tx_splitq_get_ctx_desc - grab next desc and update buffer ring
@@ -3515,6 +3430,20 @@ void idpf_vport_intr_rel(struct idpf_vport *vport)
vport->q_vectors = NULL;
}
+static void idpf_q_vector_set_napi(struct idpf_q_vector *q_vector, bool link)
+{
+ struct napi_struct *napi = link ? &q_vector->napi : NULL;
+ struct net_device *dev = q_vector->vport->netdev;
+
+ for (u32 i = 0; i < q_vector->num_rxq; i++)
+ netif_queue_set_napi(dev, q_vector->rx[i]->idx,
+ NETDEV_QUEUE_TYPE_RX, napi);
+
+ for (u32 i = 0; i < q_vector->num_txq; i++)
+ netif_queue_set_napi(dev, q_vector->tx[i]->idx,
+ NETDEV_QUEUE_TYPE_TX, napi);
+}
+
/**
* idpf_vport_intr_rel_irq - Free the IRQ association with the OS
* @vport: main vport structure
@@ -3535,6 +3464,7 @@ static void idpf_vport_intr_rel_irq(struct idpf_vport *vport)
vidx = vport->q_vector_idxs[vector];
irq_num = adapter->msix_entries[vidx].vector;
+ idpf_q_vector_set_napi(q_vector, false);
kfree(free_irq(irq_num, q_vector));
}
}
@@ -3722,6 +3652,8 @@ static int idpf_vport_intr_req_irq(struct idpf_vport *vport)
"Request_irq failed, error: %d\n", err);
goto free_q_irqs;
}
+
+ idpf_q_vector_set_napi(q_vector, true);
}
return 0;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
index bfeef5b0b99d..e5f039965709 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c
@@ -3008,50 +3008,71 @@ static int ixgbe_get_nvm_srev(struct ixgbe_hw *hw,
* Searches through the Option ROM flash contents to locate the CIVD data for
* the image.
*
- * Return: the exit code of the operation.
+ * Return: -ENOMEM when cannot allocate memory, -EDOM for checksum violation,
+ * -ENODATA when cannot find proper data, -EIO for faulty read or
+ * 0 on success.
+ *
+ * On success @civd stores collected data.
*/
static int
ixgbe_get_orom_civd_data(struct ixgbe_hw *hw, enum ixgbe_bank_select bank,
struct ixgbe_orom_civd_info *civd)
{
- struct ixgbe_orom_civd_info tmp;
+ u32 orom_size = hw->flash.banks.orom_size;
+ u8 *orom_data;
u32 offset;
int err;
+ orom_data = kzalloc(orom_size, GFP_KERNEL);
+ if (!orom_data)
+ return -ENOMEM;
+
+ err = ixgbe_read_flash_module(hw, bank,
+ IXGBE_E610_SR_1ST_OROM_BANK_PTR, 0,
+ orom_data, orom_size);
+ if (err) {
+ err = -EIO;
+ goto cleanup;
+ }
+
/* The CIVD section is located in the Option ROM aligned to 512 bytes.
* The first 4 bytes must contain the ASCII characters "$CIV".
* A simple modulo 256 sum of all of the bytes of the structure must
* equal 0.
*/
- for (offset = 0; (offset + SZ_512) <= hw->flash.banks.orom_size;
- offset += SZ_512) {
+ for (offset = 0; offset + SZ_512 <= orom_size; offset += SZ_512) {
+ struct ixgbe_orom_civd_info *tmp;
u8 sum = 0;
u32 i;
- err = ixgbe_read_flash_module(hw, bank,
- IXGBE_E610_SR_1ST_OROM_BANK_PTR,
- offset,
- (u8 *)&tmp, sizeof(tmp));
- if (err)
- return err;
+ BUILD_BUG_ON(sizeof(*tmp) > SZ_512);
+
+ tmp = (struct ixgbe_orom_civd_info *)&orom_data[offset];
/* Skip forward until we find a matching signature */
- if (memcmp(IXGBE_OROM_CIV_SIGNATURE, tmp.signature,
- sizeof(tmp.signature)))
+ if (memcmp(IXGBE_OROM_CIV_SIGNATURE, tmp->signature,
+ sizeof(tmp->signature)))
continue;
/* Verify that the simple checksum is zero */
- for (i = 0; i < sizeof(tmp); i++)
- sum += ((u8 *)&tmp)[i];
+ for (i = 0; i < sizeof(*tmp); i++)
+ sum += ((u8 *)tmp)[i];
+
+ if (sum) {
+ err = -EDOM;
+ goto cleanup;
+ }
- if (sum)
- return -EDOM;
+ *civd = *tmp;
+ err = 0;
- *civd = tmp;
- return 0;
+ goto cleanup;
}
- return -ENODATA;
+ err = -ENODATA;
+cleanup:
+ kfree(orom_data);
+ return err;
}
/**