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qcacmn: Add support for hash based rx steering

Browse source 
This change includes:
- Adding the hooks to send LRO and hash configuration to the firmware
- Configuring the REO remap registers

Change-Id: I6d83e2a2365647f2c7a6440bd1d4b42fa7df7eff
CRs-Fixed: 1094775
This commit is contained in:
Dhanashri Atre 2016-11-11 18:32:36 -08:00 • committed by Sandeep Puligilla
commit 1404917b6e
12 changed files with 283 additions and 8 deletions
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20
wlan_cfg/wlan_cfg.c
View file

@ -85,6 +85,9 @@
#define NUM_RXDMA_RINGS_PER_PDEV 1
#endif
#define WLAN_RX_HASH_ENABLE 0
#define WLAN_LRO_ENABLE 0
static const int tx_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS] = {
WLAN_CFG_TX_RING_MASK_0,
WLAN_CFG_TX_RING_MASK_1,
@ -125,6 +128,8 @@ static const int rx_mon_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS] = {
* @int_rx_mon_ring_mask - Bitmap of Rx monitor ring interrupts mapped to each
* NAPI/Intr context
* @int_ce_ring_mask - Bitmap of CE interrupts mapped to each NAPI/Intr context
* @lro_enabled - is LRO enabled
* @rx_hash - Enable hash based steering of rx packets
*
*/
struct wlan_cfg_dp_soc_ctxt {
@ -145,6 +150,8 @@ struct wlan_cfg_dp_soc_ctxt {
int int_rx_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
int int_rx_mon_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
int int_ce_ring_mask[WLAN_CFG_INT_NUM_CONTEXTS];
bool lro_enabled;
bool rx_hash;
};
/**
@ -196,6 +203,9 @@ struct wlan_cfg_dp_soc_ctxt *wlan_cfg_soc_attach(void)
wlan_cfg_ctx->int_rx_mon_ring_mask[i] = rx_mon_ring_mask[i];
}
wlan_cfg_ctx->rx_hash = WLAN_RX_HASH_ENABLE;
wlan_cfg_ctx->lro_enabled = WLAN_LRO_ENABLE;
return wlan_cfg_ctx;
}
@ -371,3 +381,13 @@ int wlan_cfg_get_num_mac_rings(struct wlan_cfg_dp_pdev_ctxt *cfg)
{
return cfg->num_mac_rings;
}
bool wlan_cfg_is_lro_enabled(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->lro_enabled;
}
bool wlan_cfg_is_rx_hash_enabled(struct wlan_cfg_dp_soc_ctxt *cfg)
{
return cfg->rx_hash;
}

17
wlan_cfg/wlan_cfg.h
View file

@ -312,4 +312,21 @@ int wlan_cfg_get_rx_dma_buf_ring_size(
* Return: number of mac DMA rings per pdev
*/
int wlan_cfg_get_num_mac_rings(struct wlan_cfg_dp_pdev_ctxt *cfg);
/*
* wlan_cfg_is_lro_enabled - Return LRO enabled/disabled
* @wlan_cfg_pdev_ctx
*
* Return: true - LRO enabled false - LRO disabled
*/
bool wlan_cfg_is_lro_enabled(struct wlan_cfg_dp_soc_ctxt *cfg);
/*
* wlan_cfg_is_lro_enabled - Return RX hash enabled/disabled
* @wlan_cfg_pdev_ctx
*
* Return: true - enabled false - disabled
*/
bool wlan_cfg_is_rx_hash_enabled(struct wlan_cfg_dp_soc_ctxt *cfg);
#endif