diff options
| author | Michael Chan <michael.chan@broadcom.com> | 2023-12-22 20:22:03 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-01-02 13:52:27 +0000 |
| commit | cb5bdd292dc01f42dd4ecebda203e2161a901c6f (patch) | |
| tree | 1eafdc4af505b8328de584257c22982815fed04a /drivers | |
| parent | d3c982851c15ff1c5187a6188710daa7d0db7fe4 (diff) | |
| download | lwn-cb5bdd292dc01f42dd4ecebda203e2161a901c6f.tar.gz lwn-cb5bdd292dc01f42dd4ecebda203e2161a901c6f.zip | |
bnxt_en: Add bnxt_lookup_ntp_filter_from_idx() function
Add the helper function to look up the ntuple filter from the
hash index and use it in bnxt_rx_flow_steer(). The helper function
will also be used by user defined ntuple filters in the next
patches.
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index e9b382832a14..7027391316e5 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -13899,6 +13899,21 @@ static bool bnxt_fltr_match(struct bnxt_ntuple_filter *f1, return false; } +static struct bnxt_ntuple_filter * +bnxt_lookup_ntp_filter_from_idx(struct bnxt *bp, + struct bnxt_ntuple_filter *fltr, u32 idx) +{ + struct bnxt_ntuple_filter *f; + struct hlist_head *head; + + head = &bp->ntp_fltr_hash_tbl[idx]; + hlist_for_each_entry_rcu(f, head, base.hash) { + if (bnxt_fltr_match(f, fltr)) + return f; + } + return NULL; +} + static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, u16 rxq_index, u32 flow_id) { @@ -13963,12 +13978,11 @@ static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, idx = bnxt_get_ntp_filter_idx(bp, fkeys, skb); head = &bp->ntp_fltr_hash_tbl[idx]; rcu_read_lock(); - hlist_for_each_entry_rcu(fltr, head, base.hash) { - if (bnxt_fltr_match(fltr, new_fltr)) { - rc = fltr->base.sw_id; - rcu_read_unlock(); - goto err_free; - } + fltr = bnxt_lookup_ntp_filter_from_idx(bp, new_fltr, idx); + if (fltr) { + rcu_read_unlock(); + rc = fltr->base.sw_id; + goto err_free; } rcu_read_unlock(); |