diff options
Diffstat (limited to 'sys/dev/sfxge/common/ef10_mac.c')
| -rw-r--r-- | sys/dev/sfxge/common/ef10_mac.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/sys/dev/sfxge/common/ef10_mac.c b/sys/dev/sfxge/common/ef10_mac.c index 6546ef1..ccd27c3 100644 --- a/sys/dev/sfxge/common/ef10_mac.c +++ b/sys/dev/sfxge/common/ef10_mac.c @@ -199,6 +199,53 @@ fail1: return (rc); } +static __checkReturn efx_rc_t +efx_mcdi_mtu_get( + __in efx_nic_t *enp, + __out size_t *mtu) +{ + efx_mcdi_req_t req; + uint8_t payload[MAX(MC_CMD_SET_MAC_EXT_IN_LEN, + MC_CMD_SET_MAC_V2_OUT_LEN)]; + efx_rc_t rc; + + (void) memset(payload, 0, sizeof (payload)); + req.emr_cmd = MC_CMD_SET_MAC; + req.emr_in_buf = payload; + req.emr_in_length = MC_CMD_SET_MAC_EXT_IN_LEN; + req.emr_out_buf = payload; + req.emr_out_length = MC_CMD_SET_MAC_V2_OUT_LEN; + + /* + * With MC_CMD_SET_MAC_EXT_IN_CONTROL set to 0, this just queries the + * MTU. This should always be supported on Medford, but it is not + * supported on older Huntington firmware. + */ + MCDI_IN_SET_DWORD(req, SET_MAC_EXT_IN_CONTROL, 0); + + efx_mcdi_execute(enp, &req); + + if (req.emr_rc != 0) { + rc = req.emr_rc; + goto fail1; + } + if (req.emr_out_length_used < MC_CMD_SET_MAC_V2_OUT_MTU_OFST + 4) { + rc = EMSGSIZE; + goto fail2; + } + + *mtu = MCDI_OUT_DWORD(req, SET_MAC_V2_OUT_MTU); + + return (0); + +fail2: + EFSYS_PROBE(fail2); +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + __checkReturn efx_rc_t ef10_mac_pdu_set( __in efx_nic_t *enp) @@ -230,6 +277,24 @@ fail1: return (rc); } + __checkReturn efx_rc_t +ef10_mac_pdu_get( + __in efx_nic_t *enp, + __out size_t *pdu) +{ + efx_rc_t rc; + + if ((rc = efx_mcdi_mtu_get(enp, pdu)) != 0) + goto fail1; + + return (0); + +fail1: + EFSYS_PROBE1(fail1, efx_rc_t, rc); + + return (rc); +} + __checkReturn efx_rc_t ef10_mac_reconfigure( __in efx_nic_t *enp) |
