diff options
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/t4_hw.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 0e9f64a46ac5..6d76851a4da9 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -7467,6 +7467,112 @@ int t4_set_rxmode(struct adapter *adap, unsigned int mbox, unsigned int viid, } /** + * t4_free_raw_mac_filt - Frees a raw mac entry in mps tcam + * @adap: the adapter + * @viid: the VI id + * @addr: the MAC address + * @mask: the mask + * @idx: index of the entry in mps tcam + * @lookup_type: MAC address for inner (1) or outer (0) header + * @port_id: the port index + * @sleep_ok: call is allowed to sleep + * + * Removes the mac entry at the specified index using raw mac interface. + * + * Returns a negative error number on failure. + */ +int t4_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) +{ + struct fw_vi_mac_cmd c; + struct fw_vi_mac_raw *p = &c.u.raw; + u32 val; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) | + FW_CMD_REQUEST_F | FW_CMD_WRITE_F | + FW_CMD_EXEC_V(0) | + FW_VI_MAC_CMD_VIID_V(viid)); + val = FW_CMD_LEN16_V(1) | + FW_VI_MAC_CMD_ENTRY_TYPE_V(FW_VI_MAC_TYPE_RAW); + c.freemacs_to_len16 = cpu_to_be32(FW_VI_MAC_CMD_FREEMACS_V(0) | + FW_CMD_LEN16_V(val)); + + p->raw_idx_pkd = cpu_to_be32(FW_VI_MAC_CMD_RAW_IDX_V(idx) | + FW_VI_MAC_ID_BASED_FREE); + + /* Lookup Type. Outer header: 0, Inner header: 1 */ + p->data0_pkd = cpu_to_be32(DATALKPTYPE_V(lookup_type) | + DATAPORTNUM_V(port_id)); + /* Lookup mask and port mask */ + p->data0m_pkd = cpu_to_be64(DATALKPTYPE_V(DATALKPTYPE_M) | + DATAPORTNUM_V(DATAPORTNUM_M)); + + /* Copy the address and the mask */ + memcpy((u8 *)&p->data1[0] + 2, addr, ETH_ALEN); + memcpy((u8 *)&p->data1m[0] + 2, mask, ETH_ALEN); + + return t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok); +} + +/** + * t4_alloc_raw_mac_filt - Adds a mac entry in mps tcam + * @adap: the adapter + * @viid: the VI id + * @mac: the MAC address + * @mask: the mask + * @idx: index at which to add this entry + * @port_id: the port index + * @lookup_type: MAC address for inner (1) or outer (0) header + * @sleep_ok: call is allowed to sleep + * + * Adds the mac entry at the specified index using raw mac interface. + * + * Returns a negative error number or the allocated index for this mac. + */ +int t4_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 = 0; + struct fw_vi_mac_cmd c; + struct fw_vi_mac_raw *p = &c.u.raw; + u32 val; + + memset(&c, 0, sizeof(c)); + c.op_to_viid = cpu_to_be32(FW_CMD_OP_V(FW_VI_MAC_CMD) | + FW_CMD_REQUEST_F | FW_CMD_WRITE_F | + FW_VI_MAC_CMD_VIID_V(viid)); + val = FW_CMD_LEN16_V(1) | + FW_VI_MAC_CMD_ENTRY_TYPE_V(FW_VI_MAC_TYPE_RAW); + c.freemacs_to_len16 = cpu_to_be32(val); + + /* Specify that this is an inner mac address */ + p->raw_idx_pkd = cpu_to_be32(FW_VI_MAC_CMD_RAW_IDX_V(idx)); + + /* Lookup Type. Outer header: 0, Inner header: 1 */ + p->data0_pkd = cpu_to_be32(DATALKPTYPE_V(lookup_type) | + DATAPORTNUM_V(port_id)); + /* Lookup mask and port mask */ + p->data0m_pkd = cpu_to_be64(DATALKPTYPE_V(DATALKPTYPE_M) | + DATAPORTNUM_V(DATAPORTNUM_M)); + + /* Copy the address and the mask */ + memcpy((u8 *)&p->data1[0] + 2, addr, ETH_ALEN); + memcpy((u8 *)&p->data1m[0] + 2, mask, ETH_ALEN); + + ret = t4_wr_mbox_meat(adap, adap->mbox, &c, sizeof(c), &c, sleep_ok); + if (ret == 0) { + ret = FW_VI_MAC_CMD_RAW_IDX_G(be32_to_cpu(p->raw_idx_pkd)); + if (ret != idx) + ret = -ENOMEM; + } + + return ret; +} + +/** * t4_alloc_mac_filt - allocates exact-match filters for MAC addresses * @adap: the adapter * @mbox: mailbox to use for the FW command |