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common/sfc_efx/base: move TxQ init/fini wrappers to generic

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TxQ init/fini MCDI is similar on Riverhead and these
functions should be reused to implement TxQ creation and
destruction on Riverhead.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Reviewed-by: Andy Moreton <amoreton@xilinx.com>
Reviewed-by: Vijay Kumar Srivastava <vsrivast@xilinx.com>
This commit is contained in:
Andrew Rybchenko 2020-09-24 13:12:02 +01:00 committed by Ferruh Yigit
parent 09b59c7da7
commit 70dc9c5488
3 changed files with 150 additions and 133 deletions
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133
drivers/common/sfc_efx/base/ef10_tx.c
View File

@ -20,139 +20,6 @@
#define EFX_TX_QSTAT_INCR(_etp, _stat)
#endif
static __checkReturn efx_rc_t
efx_mcdi_init_txq(
__in efx_nic_t *enp,
__in uint32_t ndescs,
__in uint32_t target_evq,
__in uint32_t label,
__in uint32_t instance,
__in uint16_t flags,
__in efsys_mem_t *esmp)
{
efx_mcdi_req_t req;
EFX_MCDI_DECLARE_BUF(payload,
MC_CMD_INIT_TXQ_IN_LEN(EF10_TXQ_MAXNBUFS),
MC_CMD_INIT_TXQ_OUT_LEN);
efx_qword_t *dma_addr;
uint64_t addr;
int npages;
int i;
efx_rc_t rc;
EFSYS_ASSERT(EF10_TXQ_MAXNBUFS >=
efx_txq_nbufs(enp, enp->en_nic_cfg.enc_txq_max_ndescs));
if ((esmp == NULL) ||
(EFSYS_MEM_SIZE(esmp) < efx_txq_size(enp, ndescs))) {
rc = EINVAL;
goto fail1;
}
npages = efx_txq_nbufs(enp, ndescs);
if (MC_CMD_INIT_TXQ_IN_LEN(npages) > sizeof (payload)) {
rc = EINVAL;
goto fail2;
}
req.emr_cmd = MC_CMD_INIT_TXQ;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_INIT_TXQ_IN_LEN(npages);
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_INIT_TXQ_OUT_LEN;
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_SIZE, ndescs);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_TARGET_EVQ, target_evq);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_LABEL, label);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_INSTANCE, instance);
MCDI_IN_POPULATE_DWORD_9(req, INIT_TXQ_IN_FLAGS,
INIT_TXQ_IN_FLAG_BUFF_MODE, 0,
INIT_TXQ_IN_FLAG_IP_CSUM_DIS,
(flags & EFX_TXQ_CKSUM_IPV4) ? 0 : 1,
INIT_TXQ_IN_FLAG_TCP_CSUM_DIS,
(flags & EFX_TXQ_CKSUM_TCPUDP) ? 0 : 1,
INIT_TXQ_EXT_IN_FLAG_INNER_IP_CSUM_EN,
(flags & EFX_TXQ_CKSUM_INNER_IPV4) ? 1 : 0,
INIT_TXQ_EXT_IN_FLAG_INNER_TCP_CSUM_EN,
(flags & EFX_TXQ_CKSUM_INNER_TCPUDP) ? 1 : 0,
INIT_TXQ_EXT_IN_FLAG_TSOV2_EN, (flags & EFX_TXQ_FATSOV2) ? 1 : 0,
INIT_TXQ_IN_FLAG_TCP_UDP_ONLY, 0,
INIT_TXQ_IN_CRC_MODE, 0,
INIT_TXQ_IN_FLAG_TIMESTAMP, 0);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_OWNER_ID, 0);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_PORT_ID, enp->en_vport_id);
dma_addr = MCDI_IN2(req, efx_qword_t, INIT_TXQ_IN_DMA_ADDR);
addr = EFSYS_MEM_ADDR(esmp);
for (i = 0; i < npages; i++) {
EFX_POPULATE_QWORD_2(*dma_addr,
EFX_DWORD_1, (uint32_t)(addr >> 32),
EFX_DWORD_0, (uint32_t)(addr & 0xffffffff));
dma_addr++;
addr += EFX_BUF_SIZE;
}
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail3;
}
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
static __checkReturn efx_rc_t
efx_mcdi_fini_txq(
__in efx_nic_t *enp,
__in uint32_t instance)
{
efx_mcdi_req_t req;
EFX_MCDI_DECLARE_BUF(payload, MC_CMD_FINI_TXQ_IN_LEN,
MC_CMD_FINI_TXQ_OUT_LEN);
efx_rc_t rc;
req.emr_cmd = MC_CMD_FINI_TXQ;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_FINI_TXQ_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_FINI_TXQ_OUT_LEN;
MCDI_IN_SET_DWORD(req, FINI_TXQ_IN_INSTANCE, instance);
efx_mcdi_execute_quiet(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
/*
* EALREADY is not an error, but indicates that the MC has rebooted and
* that the TXQ has already been destroyed.
*/
if (rc != EALREADY)
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
ef10_tx_init(
__in efx_nic_t *enp)

17
drivers/common/sfc_efx/base/efx_impl.h
View File

@ -1456,6 +1456,23 @@ efx_mcdi_fini_rxq(
__in efx_nic_t *enp,
__in uint32_t instance);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
efx_mcdi_init_txq(
__in efx_nic_t *enp,
__in uint32_t ndescs,
__in uint32_t target_evq,
__in uint32_t label,
__in uint32_t instance,
__in uint16_t flags,
__in efsys_mem_t *esmp);
LIBEFX_INTERNAL
extern __checkReturn efx_rc_t
efx_mcdi_fini_txq(
__in efx_nic_t *enp,
__in uint32_t instance);
#endif /* EFX_OPTS_EF10() */
#endif /* EFSYS_OPT_MCDI */

133
drivers/common/sfc_efx/base/efx_mcdi.c
View File

@ -2867,6 +2867,139 @@ efx_mcdi_fini_rxq(
return (rc);
}
__checkReturn efx_rc_t
efx_mcdi_init_txq(
__in efx_nic_t *enp,
__in uint32_t ndescs,
__in uint32_t target_evq,
__in uint32_t label,
__in uint32_t instance,
__in uint16_t flags,
__in efsys_mem_t *esmp)
{
efx_mcdi_req_t req;
EFX_MCDI_DECLARE_BUF(payload,
MC_CMD_INIT_TXQ_IN_LEN(EF10_TXQ_MAXNBUFS),
MC_CMD_INIT_TXQ_OUT_LEN);
efx_qword_t *dma_addr;
uint64_t addr;
int npages;
int i;
efx_rc_t rc;
EFSYS_ASSERT(EF10_TXQ_MAXNBUFS >=
efx_txq_nbufs(enp, enp->en_nic_cfg.enc_txq_max_ndescs));
if ((esmp == NULL) ||
(EFSYS_MEM_SIZE(esmp) < efx_txq_size(enp, ndescs))) {
rc = EINVAL;
goto fail1;
}
npages = efx_txq_nbufs(enp, ndescs);
if (MC_CMD_INIT_TXQ_IN_LEN(npages) > sizeof (payload)) {
rc = EINVAL;
goto fail2;
}
req.emr_cmd = MC_CMD_INIT_TXQ;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_INIT_TXQ_IN_LEN(npages);
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_INIT_TXQ_OUT_LEN;
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_SIZE, ndescs);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_TARGET_EVQ, target_evq);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_LABEL, label);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_INSTANCE, instance);
MCDI_IN_POPULATE_DWORD_9(req, INIT_TXQ_IN_FLAGS,
INIT_TXQ_IN_FLAG_BUFF_MODE, 0,
INIT_TXQ_IN_FLAG_IP_CSUM_DIS,
(flags & EFX_TXQ_CKSUM_IPV4) ? 0 : 1,
INIT_TXQ_IN_FLAG_TCP_CSUM_DIS,
(flags & EFX_TXQ_CKSUM_TCPUDP) ? 0 : 1,
INIT_TXQ_EXT_IN_FLAG_INNER_IP_CSUM_EN,
(flags & EFX_TXQ_CKSUM_INNER_IPV4) ? 1 : 0,
INIT_TXQ_EXT_IN_FLAG_INNER_TCP_CSUM_EN,
(flags & EFX_TXQ_CKSUM_INNER_TCPUDP) ? 1 : 0,
INIT_TXQ_EXT_IN_FLAG_TSOV2_EN, (flags & EFX_TXQ_FATSOV2) ? 1 : 0,
INIT_TXQ_IN_FLAG_TCP_UDP_ONLY, 0,
INIT_TXQ_IN_CRC_MODE, 0,
INIT_TXQ_IN_FLAG_TIMESTAMP, 0);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_OWNER_ID, 0);
MCDI_IN_SET_DWORD(req, INIT_TXQ_IN_PORT_ID, enp->en_vport_id);
dma_addr = MCDI_IN2(req, efx_qword_t, INIT_TXQ_IN_DMA_ADDR);
addr = EFSYS_MEM_ADDR(esmp);
for (i = 0; i < npages; i++) {
EFX_POPULATE_QWORD_2(*dma_addr,
EFX_DWORD_1, (uint32_t)(addr >> 32),
EFX_DWORD_0, (uint32_t)(addr & 0xffffffff));
dma_addr++;
addr += EFX_BUF_SIZE;
}
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail3;
}
return (0);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
efx_mcdi_fini_txq(
__in efx_nic_t *enp,
__in uint32_t instance)
{
efx_mcdi_req_t req;
EFX_MCDI_DECLARE_BUF(payload, MC_CMD_FINI_TXQ_IN_LEN,
MC_CMD_FINI_TXQ_OUT_LEN);
efx_rc_t rc;
req.emr_cmd = MC_CMD_FINI_TXQ;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_FINI_TXQ_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_FINI_TXQ_OUT_LEN;
MCDI_IN_SET_DWORD(req, FINI_TXQ_IN_INSTANCE, instance);
efx_mcdi_execute_quiet(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
/*
* EALREADY is not an error, but indicates that the MC has rebooted and
* that the TXQ has already been destroyed.
*/
if (rc != EALREADY)
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
#endif /* EFX_OPTS_EF10() */
#endif /* EFSYS_OPT_MCDI */