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| author |   Raju Rangoju <rajur@chelsio.com> | 2019-06-24 23:05:33 +0530 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-06-24 14:54:06 -0700 |
| commit | 5fab51581f6223adab8dc7b526fe1217eb3b7348 (patch) | |
| tree | 280f8d3c7f7e7389839e52e42d1d214350058f55 /drivers/net/ethernet/chelsio | |
| parent | cxgb4: Re-work the logic for mps refcounting (diff) | |
| download | linux-dev-5fab51581f6223adab8dc7b526fe1217eb3b7348.tar.xz linux-dev-5fab51581f6223adab8dc7b526fe1217eb3b7348.zip | |
cxgb4: Add MPS TCAM refcounting for raw mac filters
This patch adds TCAM reference counting
support for raw mac filters.
Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 16 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c | 46 |
2 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 39ccd4c64d48..c7ab57fd03be 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -1919,5 +1919,21 @@ int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid, u8 dip_hit, u8 lookup_type, bool sleep_ok); int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx, bool sleep_ok); +int cxgb4_free_raw_mac_filt(struct adapter *adap, + unsigned int viid, + const u8 *addr, + const u8 *mask, + unsigned int idx, + u8 lookup_type, + u8 port_id, + bool sleep_ok); +int cxgb4_alloc_raw_mac_filt(struct adapter *adap, + unsigned int viid, + const u8 *addr, + const u8 *mask, + unsigned int idx, + u8 lookup_type, + u8 port_id, + bool sleep_ok); #endif /* __CXGB4_H__ */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c index b8a5375bf64d..b942748c7dfa 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c @@ -54,6 +54,52 @@ unlock: return ret; } +int cxgb4_free_raw_mac_filt(struct adapter *adap, + unsigned int viid, + const u8 *addr, + const u8 *mask, + unsigned int idx, + u8 lookup_type, + u8 port_id, + bool sleep_ok) +{ + int ret = 0; + + if (!cxgb4_mps_ref_dec(adap, idx)) + ret = t4_free_raw_mac_filt(adap, viid, addr, + mask, idx, lookup_type, + port_id, sleep_ok); + + return ret; +} + +int cxgb4_alloc_raw_mac_filt(struct adapter *adap, + unsigned int viid, + const u8 *addr, + const u8 *mask, + unsigned int idx, + u8 lookup_type, + u8 port_id, + bool sleep_ok) +{ + int ret; + + ret = t4_alloc_raw_mac_filt(adap, viid, addr, + mask, idx, lookup_type, + port_id, sleep_ok); + if (ret < 0) + return ret; + + if (cxgb4_mps_ref_inc(adap, addr, ret, mask)) { + ret = -ENOMEM; + t4_free_raw_mac_filt(adap, viid, addr, + mask, idx, lookup_type, + port_id, sleep_ok); + } + + return ret; +} + int cxgb4_free_encap_mac_filt(struct adapter *adap, unsigned int viid, int idx, bool sleep_ok) { |