diff options
author | Louis Peens <louis.peens@corigine.com> | 2021-06-16 13:02:03 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2021-06-16 22:42:52 +0300 |
commit | b5e30c61d8cbd1002ac3456e29952b8c78bc542f (patch) | |
tree | 52bb4e9536846ea7aab428b966ea9e69fa63c76d /drivers/net/ethernet/netronome/nfp/flower | |
parent | 4772ad3f58d2423ab4a6587e422eeac3ab8be369 (diff) | |
download | linux-b5e30c61d8cbd1002ac3456e29952b8c78bc542f.tar.xz |
nfp: flower-ct: add nft_merge table
Add table and struct to save the result of the three-way merge
between pre_ct,post_ct, and nft flows. Merging code is to be
added in follow-up patches.
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/conntrack.c | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/conntrack.h | 33 | ||||
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/metadata.c | 2 |
3 files changed, 49 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c index 2c636f8490e1..3ab09d040d4c 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/conntrack.c +++ b/drivers/net/ethernet/netronome/nfp/flower/conntrack.c @@ -11,6 +11,14 @@ const struct rhashtable_params nfp_tc_ct_merge_params = { .automatic_shrinking = true, }; +const struct rhashtable_params nfp_nft_ct_merge_params = { + .head_offset = offsetof(struct nfp_fl_nft_tc_merge, + hash_node), + .key_len = sizeof(unsigned long) * 3, + .key_offset = offsetof(struct nfp_fl_nft_tc_merge, cookie), + .automatic_shrinking = true, +}; + /** * get_hashentry() - Wrapper around hashtable lookup. * @ht: hashtable where entry could be found @@ -171,6 +179,10 @@ nfp_fl_ct_zone_entry *get_nfp_zone_entry(struct nfp_flower_priv *priv, if (err) goto err_tc_merge_tb_init; + err = rhashtable_init(&zt->nft_merge_tb, &nfp_nft_ct_merge_params); + if (err) + goto err_nft_merge_tb_init; + if (wildcarded) { priv->ct_zone_wc = zt; } else { @@ -184,6 +196,8 @@ nfp_fl_ct_zone_entry *get_nfp_zone_entry(struct nfp_flower_priv *priv, return zt; err_zone_insert: + rhashtable_destroy(&zt->nft_merge_tb); +err_nft_merge_tb_init: rhashtable_destroy(&zt->tc_merge_tb); err_tc_merge_tb_init: kfree(zt); diff --git a/drivers/net/ethernet/netronome/nfp/flower/conntrack.h b/drivers/net/ethernet/netronome/nfp/flower/conntrack.h index def95c3e8bb7..753a9eea5952 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/conntrack.h +++ b/drivers/net/ethernet/netronome/nfp/flower/conntrack.h @@ -12,6 +12,7 @@ extern const struct rhashtable_params nfp_zone_table_params; extern const struct rhashtable_params nfp_ct_map_params; extern const struct rhashtable_params nfp_tc_ct_merge_params; +extern const struct rhashtable_params nfp_nft_ct_merge_params; /** * struct nfp_fl_ct_zone_entry - Zone entry containing conntrack flow information @@ -31,6 +32,9 @@ extern const struct rhashtable_params nfp_tc_ct_merge_params; * * @nft_flows_list: The list of nft relatednfp_fl_ct_flow_entry entries * @nft_flows_count: Keep count of the number of nft_flow entries + * + * @nft_merge_tb: The table of merged tc+nft flows + * @nft_merge_count: Keep count of the number of merged tc+nft entries */ struct nfp_fl_ct_zone_entry { u16 zone; @@ -50,6 +54,9 @@ struct nfp_fl_ct_zone_entry { struct list_head nft_flows_list; unsigned int nft_flows_count; + + struct rhashtable nft_merge_tb; + unsigned int nft_merge_count; }; enum ct_entry_type { @@ -107,6 +114,32 @@ struct nfp_fl_ct_tc_merge { }; /** + * struct nfp_fl_nft_tc_merge - Merge of tc_merge flows with nft flow + * @netdev: Ingress netdev name + * @cookie: Flow cookie, combination of tc_merge and nft cookies + * @hash_node: Used by the hashtable + * @zt: Reference to the zone table this belongs to + * @nft_flow_list: This entry is part of a nft_flows_list + * @tc_merge_list: This entry is part of a ct_merge_list + * @tc_m_parent: The tc_merge parent + * @nft_parent: The nft_entry parent + * @tc_flower_cookie: The cookie of the flow offloaded to the nfp + * @flow_pay: Reference to the offloaded flow struct + */ +struct nfp_fl_nft_tc_merge { + struct net_device *netdev; + unsigned long cookie[3]; + struct rhash_head hash_node; + struct nfp_fl_ct_zone_entry *zt; + struct list_head nft_flow_list; + struct list_head tc_merge_list; + struct nfp_fl_ct_tc_merge *tc_m_parent; + struct nfp_fl_ct_flow_entry *nft_parent; + unsigned long tc_flower_cookie; + struct nfp_fl_payload *flow_pay; +}; + +/** * struct nfp_fl_ct_map_entry - Map between flow cookie and specific ct_flow * @cookie: Flow cookie, same as original TC flow, used as key * @hash_node: Used by the hashtable diff --git a/drivers/net/ethernet/netronome/nfp/flower/metadata.c b/drivers/net/ethernet/netronome/nfp/flower/metadata.c index a0a0242567a6..621113650a9b 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/metadata.c +++ b/drivers/net/ethernet/netronome/nfp/flower/metadata.c @@ -667,6 +667,8 @@ static void nfp_zone_table_entry_destroy(struct nfp_fl_ct_zone_entry *zt) rhashtable_free_and_destroy(&zt->tc_merge_tb, nfp_check_rhashtable_empty, NULL); + rhashtable_free_and_destroy(&zt->nft_merge_tb, + nfp_check_rhashtable_empty, NULL); kfree(zt); } |