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msm: ipa: gsi poll N packets on LAN path

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LAN RX optimization, processing N packets in the
LAN polling function instead of one each time.
Moved notify array to global to save memory on
the stack.

Change-Id: I0297b5cc3982ddb44a958c3dd92a98ee88432947
Acked-by: Nadav Levintov <nadavl@qti.qualcomm.com>
Acked-by: Tal Gelbard <tgelbard@qti.qualcomm.com>
Signed-off-by: Bojun Pan <bojunp@codeaurora.org>
Signed-off-by: Amir Levy <alevy@codeaurora.org>
Signed-off-by: Sivan Reinstein <sivanr@codeaurora.org>
This commit is contained in:
Sivan Reinstein
2021-03-05 10:27:37 +02:00
parent 468a3b7e65
commit 56f13ff82a
1 changed files with 22 additions and 11 deletions
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33
drivers/platform/msm/ipa/ipa_v3/ipa_dp.c
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@@ -139,9 +139,10 @@ static int ipa_poll_gsi_n_pkt(struct ipa3_sys_context *sys,
static unsigned long tag_to_pointer_wa(uint64_t tag); static unsigned long tag_to_pointer_wa(uint64_t tag);
static uint64_t pointer_to_tag_wa(struct ipa3_tx_pkt_wrapper *tx_pkt); static uint64_t pointer_to_tag_wa(struct ipa3_tx_pkt_wrapper *tx_pkt);
static void ipa3_tasklet_rx_notify(unsigned long data); static void ipa3_tasklet_rx_notify(unsigned long data);
static u32 ipa_adjust_ra_buff_base_sz(u32 aggr_byte_limit); static u32 ipa_adjust_ra_buff_base_sz(u32 aggr_byte_limit);
struct gsi_chan_xfer_notify g_lan_rx_notify[IPA_LAN_NAPI_MAX_FRAMES];
/** /**
* ipa3_write_done_common() - this function is responsible on freeing * ipa3_write_done_common() - this function is responsible on freeing
* all tx_pkt_wrappers related to a skb * all tx_pkt_wrappers related to a skb
@@ -5359,7 +5360,12 @@ static int ipa_poll_gsi_n_pkt(struct ipa3_sys_context *sys,
int poll_num = 0; int poll_num = 0;
if (!actual_num || expected_num <= 0 || if (!actual_num || expected_num <= 0 ||
expected_num > max(IPA_WAN_NAPI_MAX_FRAMES, NAPI_TX_WEIGHT)) { (sys->ep->client == IPA_CLIENT_APPS_WAN_CONS &&
expected_num > IPA_WAN_NAPI_MAX_FRAMES) ||
(sys->ep->client == IPA_CLIENT_APPS_LAN_CONS &&
expected_num > IPA_LAN_NAPI_MAX_FRAMES) ||
(IPA_CLIENT_IS_APPS_PROD(sys->ep->client) &&
expected_num > NAPI_TX_WEIGHT)) {
IPAERR("bad params actual_num=%pK expected_num=%d\n", IPAERR("bad params actual_num=%pK expected_num=%d\n",
actual_num, expected_num); actual_num, expected_num);
return GSI_STATUS_INVALID_PARAMS; return GSI_STATUS_INVALID_PARAMS;
@@ -5397,6 +5403,7 @@ static int ipa_poll_gsi_n_pkt(struct ipa3_sys_context *sys,
*actual_num = idx + poll_num; *actual_num = idx + poll_num;
return ret; return ret;
} }
/** /**
* ipa3_lan_rx_poll() - Poll the LAN rx packets from IPA HW. * ipa3_lan_rx_poll() - Poll the LAN rx packets from IPA HW.
* This function is executed in the softirq context * This function is executed in the softirq context
@@ -5411,8 +5418,9 @@ int ipa3_lan_rx_poll(u32 clnt_hdl, int weight)
struct ipa3_ep_context *ep; struct ipa3_ep_context *ep;
int ret; int ret;
int cnt = 0; int cnt = 0;
int num = 0;
int i;
int remain_aggr_weight; int remain_aggr_weight;
struct gsi_chan_xfer_notify notify;
if (unlikely(clnt_hdl >= ipa3_ctx->ipa_num_pipes || if (unlikely(clnt_hdl >= ipa3_ctx->ipa_num_pipes ||
ipa3_ctx->ep[clnt_hdl].valid == 0)) { ipa3_ctx->ep[clnt_hdl].valid == 0)) {
@@ -5437,18 +5445,21 @@ start_poll:
while (remain_aggr_weight > 0 && while (remain_aggr_weight > 0 &&
atomic_read(&ep->sys->curr_polling_state)) { atomic_read(&ep->sys->curr_polling_state)) {
atomic_set(&ipa3_ctx->transport_pm.eot_activity, 1); atomic_set(&ipa3_ctx->transport_pm.eot_activity, 1);
ret = ipa_poll_gsi_pkt(ep->sys, &notify); ret = ipa_poll_gsi_n_pkt(ep->sys, g_lan_rx_notify,
remain_aggr_weight, &num);
if (ret) if (ret)
break; break;
if (IPA_CLIENT_IS_MEMCPY_DMA_CONS(ep->client)) for (i = 0; i < num; i++) {
ipa3_dma_memcpy_notify(ep->sys); if (IPA_CLIENT_IS_MEMCPY_DMA_CONS(ep->client))
else if (IPA_CLIENT_IS_WLAN_CONS(ep->client)) ipa3_dma_memcpy_notify(ep->sys);
ipa3_wlan_wq_rx_common(ep->sys, &notify); else if (IPA_CLIENT_IS_WLAN_CONS(ep->client))
else ipa3_wlan_wq_rx_common(ep->sys, g_lan_rx_notify + i);
ipa3_wq_rx_common(ep->sys, &notify); else
ipa3_wq_rx_common(ep->sys, g_lan_rx_notify + i);
}
remain_aggr_weight--; remain_aggr_weight -= num;
if (ep->sys->len == 0) { if (ep->sys->len == 0) {
if (remain_aggr_weight == 0) if (remain_aggr_weight == 0)
cnt--; cnt--;