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net/sfc: fix TSO limits imposed to the number of Tx queues
[dpdk.git]
/
drivers
/
net
/
sfc
/
sfc.c
diff --git
a/drivers/net/sfc/sfc.c
b/drivers/net/sfc/sfc.c
index
457a53e
..
03ecec2
100644
(file)
--- a/
drivers/net/sfc/sfc.c
+++ b/
drivers/net/sfc/sfc.c
@@
-203,6
+203,13
@@
sfc_estimate_resource_limits(struct sfc_adapter *sa)
limits.edl_max_txq_count =
MIN(encp->enc_txq_limit,
limits.edl_max_evq_count - 1 - limits.edl_max_rxq_count);
limits.edl_max_txq_count =
MIN(encp->enc_txq_limit,
limits.edl_max_evq_count - 1 - limits.edl_max_rxq_count);
+
+ if (sa->tso)
+ limits.edl_max_txq_count =
+ MIN(limits.edl_max_txq_count,
+ encp->enc_fw_assisted_tso_v2_n_contexts /
+ encp->enc_hw_pf_count);
+
SFC_ASSERT(limits.edl_max_txq_count >= limits.edl_min_rxq_count);
/* Configure the minimum required resources needed for the
SFC_ASSERT(limits.edl_max_txq_count >= limits.edl_min_rxq_count);
/* Configure the minimum required resources needed for the
@@
-601,12
+608,17
@@
sfc_attach(struct sfc_adapter *sa)
if (rc != 0)
goto fail_nic_reset;
if (rc != 0)
goto fail_nic_reset;
+ encp = efx_nic_cfg_get(sa->nic);
+
+ sa->tso = encp->enc_fw_assisted_tso_v2_enabled;
+ if (!sa->tso)
+ sfc_warn(sa, "TSO support isn't available on this adapter");
+
sfc_log_init(sa, "estimate resource limits");
rc = sfc_estimate_resource_limits(sa);
if (rc != 0)
goto fail_estimate_rsrc_limits;
sfc_log_init(sa, "estimate resource limits");
rc = sfc_estimate_resource_limits(sa);
if (rc != 0)
goto fail_estimate_rsrc_limits;
- encp = efx_nic_cfg_get(sa->nic);
sa->txq_max_entries = encp->enc_txq_max_ndescs;
SFC_ASSERT(rte_is_power_of_2(sa->txq_max_entries));
sa->txq_max_entries = encp->enc_txq_max_ndescs;
SFC_ASSERT(rte_is_power_of_2(sa->txq_max_entries));
@@
-621,10
+633,6
@@
sfc_attach(struct sfc_adapter *sa)
if (rc != 0)
goto fail_set_rss_defaults;
if (rc != 0)
goto fail_set_rss_defaults;
- sa->tso = efx_nic_cfg_get(sa->nic)->enc_fw_assisted_tso_v2_enabled;
- if (!sa->tso)
- sfc_warn(sa, "TSO support isn't available on this adapter");
-
sfc_log_init(sa, "fini nic");
efx_nic_fini(enp);
sfc_log_init(sa, "fini nic");
efx_nic_fini(enp);