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| author | Raju Rangoju <rajur@chelsio.com> | 2019-06-24 23:05:34 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-06-24 14:54:06 -0700 |
| commit | 2f0b9406f3c77491928b8c6c855ef8349eff31ac (patch) | |
| tree | fec239a294d97b1e938f971ce116a930670d8cc6 | |
| parent | 5fab51581f6223adab8dc7b526fe1217eb3b7348 (diff) | |
| download | linux-stable-2f0b9406f3c77491928b8c6c855ef8349eff31ac.tar.gz linux-stable-2f0b9406f3c77491928b8c6c855ef8349eff31ac.tar.bz2 linux-stable-2f0b9406f3c77491928b8c6c855ef8349eff31ac.zip | |
cxgb4: Add MPS TCAM refcounting for cxgb4 change mac
This patch adds TCAM reference counting
support for cxgb4 change mac path
Signed-off-by: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 14 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c | 15 |
3 files changed, 29 insertions, 7 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index c7ab57fd03be..6260240743d5 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -1911,6 +1911,10 @@ int cxgb4_set_msix_aff(struct adapter *adap, unsigned short vec, cpumask_var_t *aff_mask, int idx); void cxgb4_clear_msix_aff(unsigned short vec, cpumask_var_t aff_mask); +int cxgb4_change_mac(struct port_info *pi, unsigned int viid, + int *tcam_idx, const u8 *addr, + bool persistent, u8 *smt_idx); + int cxgb4_init_mps_ref_entries(struct adapter *adap); void cxgb4_free_mps_ref_entries(struct adapter *adap); int cxgb4_alloc_encap_mac_filt(struct adapter *adap, unsigned int viid, @@ -1935,5 +1939,8 @@ int cxgb4_alloc_raw_mac_filt(struct adapter *adap, u8 lookup_type, u8 port_id, bool sleep_ok); +int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid, + int *tcam_idx, const u8 *addr, + bool persistent, u8 *smt_idx); #endif /* __CXGB4_H__ */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 4632827f05ba..1520e5294289 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -449,9 +449,9 @@ static int set_rxmode(struct net_device *dev, int mtu, bool sleep_ok) * Addresses are programmed to hash region, if tcam runs out of entries. * */ -static int cxgb4_change_mac(struct port_info *pi, unsigned int viid, - int *tcam_idx, const u8 *addr, bool persist, - u8 *smt_idx) +int cxgb4_change_mac(struct port_info *pi, unsigned int viid, + int *tcam_idx, const u8 *addr, bool persist, + u8 *smt_idx) { struct adapter *adapter = pi->adapter; struct hash_mac_addr *entry, *new_entry; @@ -505,8 +505,8 @@ static int link_start(struct net_device *dev) ret = t4_set_rxmode(pi->adapter, mb, pi->viid, dev->mtu, -1, -1, -1, !!(dev->features & NETIF_F_HW_VLAN_CTAG_RX), true); if (ret == 0) - ret = cxgb4_change_mac(pi, pi->viid, &pi->xact_addr_filt, - dev->dev_addr, true, &pi->smt_idx); + ret = cxgb4_update_mac_filt(pi, pi->viid, &pi->xact_addr_filt, + dev->dev_addr, true, &pi->smt_idx); if (ret == 0) ret = t4_link_l1cfg(pi->adapter, mb, pi->tx_chan, &pi->link_cfg); @@ -3020,8 +3020,8 @@ static int cxgb_set_mac_addr(struct net_device *dev, void *p) if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; - ret = cxgb4_change_mac(pi, pi->viid, &pi->xact_addr_filt, - addr->sa_data, true, &pi->smt_idx); + ret = cxgb4_update_mac_filt(pi, pi->viid, &pi->xact_addr_filt, + addr->sa_data, true, &pi->smt_idx); if (ret < 0) return ret; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c index b942748c7dfa..067217c6ca05 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_mps.c @@ -54,6 +54,21 @@ unlock: return ret; } +int cxgb4_update_mac_filt(struct port_info *pi, unsigned int viid, + int *tcam_idx, const u8 *addr, + bool persistent, u8 *smt_idx) +{ + int ret; + + ret = cxgb4_change_mac(pi, viid, tcam_idx, + addr, persistent, smt_idx); + if (ret < 0) + return ret; + + cxgb4_mps_ref_inc(pi->adapter, addr, *tcam_idx, NULL); + return ret; +} + int cxgb4_free_raw_mac_filt(struct adapter *adap, unsigned int viid, const u8 *addr, |