diff options
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_common.c | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_common.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_pf.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/fm10k/fm10k_vf.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ice/ice_trace.h | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/idpf/idpf.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/idpf/idpf_lib.c | 140 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/idpf/idpf_txrx.c | 146 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_e610.c | 59 |
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; } /** |
