diff options
| author |   Shannon Nelson <snelson@pensando.io> | 2021-04-01 10:56:05 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-04-02 14:18:33 -0700 |
| commit | ab470bbe7aba1f9cbed52965ccdc41652951f110 (patch) | |
| tree | 0a99bda644f2349e98d58d3517f37544eb4206e8 /drivers/net/ethernet/pensando | |
| parent | ionic: link in the new hw timestamp code (diff) | |
| download | linux-dev-ab470bbe7aba1f9cbed52965ccdc41652951f110.tar.xz linux-dev-ab470bbe7aba1f9cbed52965ccdc41652951f110.zip | |
ionic: add rx filtering for hw timestamp steering
Add handling of the new Rx packet classification filter type.
This simple bit of classification allows for steering packets
to a separate Rx queue for processing.
Signed-off-by: Allen Hubbe <allenbh@pensando.io>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/pensando')
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c | 21 | ||||
| -rw-r--r-- | drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h | 1 |
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c index cd0076fc3044..d71316d9ded2 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c @@ -140,6 +140,9 @@ int ionic_rx_filter_save(struct ionic_lif *lif, u32 flow_id, u16 rxq_index, case IONIC_RX_FILTER_MATCH_MAC_VLAN: key = le16_to_cpu(ac->mac_vlan.vlan); break; + case IONIC_RX_FILTER_STEER_PKTCLASS: + key = 0; + break; default: return -EINVAL; } @@ -210,3 +213,21 @@ struct ionic_rx_filter *ionic_rx_filter_by_addr(struct ionic_lif *lif, return NULL; } + +struct ionic_rx_filter *ionic_rx_filter_rxsteer(struct ionic_lif *lif) +{ + struct ionic_rx_filter *f; + struct hlist_head *head; + unsigned int key; + + key = hash_32(0, IONIC_RX_FILTER_HASH_BITS); + head = &lif->rx_filters.by_hash[key]; + + hlist_for_each_entry(f, head, by_hash) { + if (le16_to_cpu(f->cmd.match) != IONIC_RX_FILTER_STEER_PKTCLASS) + continue; + return f; + } + + return NULL; +} diff --git a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h index cf8f4c0a961c..1ead48be3c83 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h @@ -31,5 +31,6 @@ int ionic_rx_filter_save(struct ionic_lif *lif, u32 flow_id, u16 rxq_index, u32 hash, struct ionic_admin_ctx *ctx); struct ionic_rx_filter *ionic_rx_filter_by_vlan(struct ionic_lif *lif, u16 vid); struct ionic_rx_filter *ionic_rx_filter_by_addr(struct ionic_lif *lif, const u8 *addr); +struct ionic_rx_filter *ionic_rx_filter_rxsteer(struct ionic_lif *lif); #endif /* _IONIC_RX_FILTER_H_ */ |