From acd65448f2e6b3407b8bb28b57d711ca417ea679 Mon Sep 17 00:00:00 2001 From: Helin Zhang Date: Mon, 26 Oct 2015 19:44:28 -0400 Subject: [PATCH] i40e: rename rss_size to alloc_rss_size in i40e_pf This patch renames rss_size to alloc_rss_size in i40e_pf, which is clearer and avoids confusion. It also adds comments to the other related structure members to help clarify usage. Change-ID: Ia90090609d006ab589cb639975bb8a0af795d16f Signed-off-by: Helin Zhang Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e.h | 8 +++--- drivers/net/ethernet/intel/i40e/i40e_main.c | 31 ++++++++++++--------- 2 files changed, 22 insertions(+), 17 deletions(-) diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 6efab66a05ae..d854a46bba1e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -266,7 +266,7 @@ struct i40e_pf { u16 num_lan_qps; /* num lan queues this PF has set up */ u16 num_lan_msix; /* num queue vectors for the base PF vsi */ int queues_left; /* queues left unclaimed */ - u16 rss_size; /* num queues in the RSS array */ + u16 alloc_rss_size; /* allocated RSS queues */ u16 rss_size_max; /* HW defined max RSS queues */ u16 fdir_pf_filter_count; /* num of guaranteed filters for this PF */ u16 num_alloc_vsi; /* num VSIs this driver supports */ @@ -413,7 +413,7 @@ struct i40e_pf { u32 rx_hwtstamp_cleared; bool ptp_tx; bool ptp_rx; - u16 rss_table_size; + u16 rss_table_size; /* HW RSS table size */ /* These are only valid in NPAR modes */ u32 npar_max_bw; u32 npar_min_bw; @@ -506,8 +506,8 @@ struct i40e_vsi { u16 tx_itr_setting; u16 int_rate_limit; /* value in usecs */ - u16 rss_table_size; - u16 rss_size; + u16 rss_table_size; /* HW RSS table size */ + u16 rss_size; /* Allocated RSS queues */ u8 *rss_hkey_user; /* User configured hash keys */ u8 *rss_lut_user; /* User configured lookup table entries */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index c0a784fadeb0..491c82fe6467 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -1630,7 +1630,8 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, switch (vsi->type) { case I40E_VSI_MAIN: - qcount = min_t(int, pf->rss_size, num_tc_qps); + qcount = min_t(int, pf->alloc_rss_size, + num_tc_qps); break; #ifdef I40E_FCOE case I40E_VSI_FCOE: @@ -7883,7 +7884,7 @@ static int i40e_vsi_config_rss(struct i40e_vsi *vsi) i40e_fill_rss_lut(pf, lut, vsi->rss_table_size, vsi->rss_size); netdev_rss_key_fill((void *)seed, I40E_HKEY_ARRAY_SIZE); - vsi->rss_size = min_t(int, pf->rss_size, vsi->num_queue_pairs); + vsi->rss_size = min_t(int, pf->alloc_rss_size, vsi->num_queue_pairs); ret = i40e_config_rss_aq(vsi, seed, lut, vsi->rss_table_size); kfree(lut); @@ -8042,7 +8043,8 @@ static int i40e_pf_config_rss(struct i40e_pf *pf) /* Determine the RSS size of the VSI */ if (!vsi->rss_size) - vsi->rss_size = min_t(int, pf->rss_size, vsi->num_queue_pairs); + vsi->rss_size = min_t(int, pf->alloc_rss_size, + vsi->num_queue_pairs); lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); if (!lut) @@ -8089,7 +8091,7 @@ int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count) vsi->req_queue_pairs = queue_count; i40e_prep_for_reset(pf); - pf->rss_size = new_rss_size; + pf->alloc_rss_size = new_rss_size; i40e_reset_and_rebuild(pf, true); @@ -8103,12 +8105,13 @@ int i40e_reconfig_rss_queues(struct i40e_pf *pf, int queue_count) } /* Reset vsi->rss_size, as number of enabled queues changed */ - vsi->rss_size = min_t(int, pf->rss_size, vsi->num_queue_pairs); + vsi->rss_size = min_t(int, pf->alloc_rss_size, + vsi->num_queue_pairs); i40e_pf_config_rss(pf); } - dev_info(&pf->pdev->dev, "RSS count: %d\n", pf->rss_size); - return pf->rss_size; + dev_info(&pf->pdev->dev, "RSS count: %d\n", pf->alloc_rss_size); + return pf->alloc_rss_size; } /** @@ -8279,13 +8282,14 @@ static int i40e_sw_init(struct i40e_pf *pf) * maximum might end up larger than the available queues */ pf->rss_size_max = BIT(pf->hw.func_caps.rss_table_entry_width); - pf->rss_size = 1; + pf->alloc_rss_size = 1; pf->rss_table_size = pf->hw.func_caps.rss_table_size; pf->rss_size_max = min_t(int, pf->rss_size_max, pf->hw.func_caps.num_tx_qp); if (pf->hw.func_caps.rss) { pf->flags |= I40E_FLAG_RSS_ENABLED; - pf->rss_size = min_t(int, pf->rss_size_max, num_online_cpus()); + pf->alloc_rss_size = min_t(int, pf->rss_size_max, + num_online_cpus()); } /* MFP mode enabled */ @@ -10152,7 +10156,7 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) !(pf->flags & I40E_FLAG_MSIX_ENABLED)) { /* one qp for PF, no queues for anything else */ queues_left = 0; - pf->rss_size = pf->num_lan_qps = 1; + pf->alloc_rss_size = pf->num_lan_qps = 1; /* make sure all the fancies are disabled */ pf->flags &= ~(I40E_FLAG_RSS_ENABLED | @@ -10169,7 +10173,7 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) I40E_FLAG_FD_ATR_ENABLED | I40E_FLAG_DCB_CAPABLE))) { /* one qp for PF */ - pf->rss_size = pf->num_lan_qps = 1; + pf->alloc_rss_size = pf->num_lan_qps = 1; queues_left -= pf->num_lan_qps; pf->flags &= ~(I40E_FLAG_RSS_ENABLED | @@ -10239,8 +10243,9 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) "qs_avail=%d FD SB=%d lan_qs=%d lan_tc0=%d vf=%d*%d vmdq=%d*%d, remaining=%d\n", pf->hw.func_caps.num_tx_qp, !!(pf->flags & I40E_FLAG_FD_SB_ENABLED), - pf->num_lan_qps, pf->rss_size, pf->num_req_vfs, pf->num_vf_qps, - pf->num_vmdq_vsis, pf->num_vmdq_qps, queues_left); + pf->num_lan_qps, pf->alloc_rss_size, pf->num_req_vfs, + pf->num_vf_qps, pf->num_vmdq_vsis, pf->num_vmdq_qps, + queues_left); #ifdef I40E_FCOE dev_dbg(&pf->pdev->dev, "fcoe queues = %d\n", pf->num_fcoe_qps); #endif -- 2.39.5