diff options
| author | Sriram Yagnaraman <[email protected]> | 2025-01-06 22:19:10 +0000 |
|---|---|---|
| committer | Jakub Kicinski <[email protected]> | 2025-01-08 02:14:08 +0000 |
| commit | 6dc75fc230eceedada4adf8c2857636a9dbd00a8 (patch) | |
| tree | 713607445172b9bb4325604180222f2fe78911f3 /drivers/net/ethernet/intel | |
| parent | igb: Remove static qualifiers (diff) | |
| download | kernel-6dc75fc230eceedada4adf8c2857636a9dbd00a8.tar.gz kernel-6dc75fc230eceedada4adf8c2857636a9dbd00a8.zip | |
igb: Introduce igb_xdp_is_enabled()
Introduce igb_xdp_is_enabled() to check if an XDP program is assigned to
the device. Use that wherever xdp_prog is read and evaluated.
Signed-off-by: Sriram Yagnaraman <[email protected]>
[Kurt: Split patches and use READ_ONCE()]
Signed-off-by: Kurt Kanzenbach <[email protected]>
Acked-by: Maciej Fijalkowski <[email protected]>
Tested-by: George Kuruvinakunnel <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/intel')
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb.h | 5 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/igb/igb_main.c | 8 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h index 1bfe703e73d9..6e2b61ecff68 100644 --- a/drivers/net/ethernet/intel/igb/igb.h +++ b/drivers/net/ethernet/intel/igb/igb.h @@ -826,6 +826,11 @@ static inline struct igb_ring *igb_xdp_tx_queue_mapping(struct igb_adapter *adap return adapter->tx_ring[r_idx]; } +static inline bool igb_xdp_is_enabled(struct igb_adapter *adapter) +{ + return !!READ_ONCE(adapter->xdp_prog); +} + int igb_add_filter(struct igb_adapter *adapter, struct igb_nfc_filter *input); int igb_erase_filter(struct igb_adapter *adapter, diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 77a6d1470f8b..fef58c55eb43 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -2930,7 +2930,8 @@ int igb_xdp_xmit_back(struct igb_adapter *adapter, struct xdp_buff *xdp) /* During program transitions its possible adapter->xdp_prog is assigned * but ring has not been configured yet. In this case simply abort xmit. */ - tx_ring = adapter->xdp_prog ? igb_xdp_tx_queue_mapping(adapter) : NULL; + tx_ring = igb_xdp_is_enabled(adapter) ? + igb_xdp_tx_queue_mapping(adapter) : NULL; if (unlikely(!tx_ring)) return IGB_XDP_CONSUMED; @@ -2963,7 +2964,8 @@ static int igb_xdp_xmit(struct net_device *dev, int n, /* During program transitions its possible adapter->xdp_prog is assigned * but ring has not been configured yet. In this case simply abort xmit. */ - tx_ring = adapter->xdp_prog ? igb_xdp_tx_queue_mapping(adapter) : NULL; + tx_ring = igb_xdp_is_enabled(adapter) ? + igb_xdp_tx_queue_mapping(adapter) : NULL; if (unlikely(!tx_ring)) return -ENXIO; @@ -6597,7 +6599,7 @@ static int igb_change_mtu(struct net_device *netdev, int new_mtu) struct igb_adapter *adapter = netdev_priv(netdev); int max_frame = new_mtu + IGB_ETH_PKT_HDR_PAD; - if (adapter->xdp_prog) { + if (igb_xdp_is_enabled(adapter)) { int i; for (i = 0; i < adapter->num_rx_queues; i++) { |