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| author | Edward Cree <ecree.xilinx@gmail.com> | 2023-08-07 14:48:09 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-08-09 11:14:38 +0100 |
| commit | 29416025185383aba51d863b9e9eff234b54d855 (patch) | |
| tree | 22c463f43c156ff6884a69656526a6003a22b063 /drivers/net/ethernet/sfc/tc.h | |
| parent | 1909387fcfcfc9197a0adcaa9702967e5c18f812 (diff) | |
| download | lwn-29416025185383aba51d863b9e9eff234b54d855.tar.gz lwn-29416025185383aba51d863b9e9eff234b54d855.zip | |
sfc: handle non-zero chain_index on TC rules
Map it to an 8-bit recirc_id for use by the hardware.
Currently nothing in the driver is offloading 'goto chain' actions,
so these rules cannot yet be hit.
Reviewed-by: Pieter Jansen van Vuuren <pieter.jansen-van-vuuren@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Edward Cree <ecree.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/sfc/tc.h')
| -rw-r--r-- | drivers/net/ethernet/sfc/tc.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/tc.h b/drivers/net/ethernet/sfc/tc.h index 2aba9ca00618..af15020c8da7 100644 --- a/drivers/net/ethernet/sfc/tc.h +++ b/drivers/net/ethernet/sfc/tc.h @@ -45,7 +45,7 @@ struct efx_tc_action_set { struct efx_tc_match_fields { /* L1 */ u32 ingress_port; - u8 recirc_id; + u8 recirc_id; /* mapped from (u32) TC chain_index to smaller space */ /* L2 (inner when encap) */ __be16 eth_proto; __be16 vlan_tci[2], vlan_proto[2]; @@ -115,10 +115,19 @@ struct efx_tc_encap_match { struct efx_tc_encap_match *pseudo; /* Referenced pseudo EM if needed */ }; +struct efx_tc_recirc_id { + u32 chain_index; + struct net_device *net_dev; + struct rhash_head linkage; + refcount_t ref; + u8 fw_id; /* index allocated for use in the MAE */ +}; + struct efx_tc_match { struct efx_tc_match_fields value; struct efx_tc_match_fields mask; struct efx_tc_encap_match *encap; + struct efx_tc_recirc_id *rid; }; struct efx_tc_action_set_list { @@ -197,6 +206,8 @@ struct efx_tc_table_ct { /* TABLE_ID_CONNTRACK_TABLE */ * @ct_zone_ht: Hashtable of TC conntrack flowtable bindings * @ct_ht: Hashtable of TC conntrack flow entries * @neigh_ht: Hashtable of neighbour watches (&struct efx_neigh_binder) + * @recirc_ht: Hashtable of recirculation ID mappings (&struct efx_tc_recirc_id) + * @recirc_ida: Recirculation ID allocator * @meta_ct: MAE table layout for conntrack table * @reps_mport_id: MAE port allocated for representor RX * @reps_filter_uc: VNIC filter for representor unicast RX (promisc) @@ -231,6 +242,8 @@ struct efx_tc_state { struct rhashtable ct_zone_ht; struct rhashtable ct_ht; struct rhashtable neigh_ht; + struct rhashtable recirc_ht; + struct ida recirc_ida; struct efx_tc_table_ct meta_ct; u32 reps_mport_id, reps_mport_vport_id; s32 reps_filter_uc, reps_filter_mc; |