Commit ab470bbe authored by Shannon Nelson's avatar Shannon Nelson Committed by David S. Miller
Browse files

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: default avatarAllen Hubbe <allenbh@pensando.io>
Signed-off-by: default avatarShannon Nelson <snelson@pensando.io>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 61db421d

drivers/net/ethernet/pensando/ionic/ionic_rx_filter.c

+21 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/net/ethernet/pensando/ionic/ionic_rx_filter.h

+1 −0
Original line number Diff line number Diff line
@@ -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_ */