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Commit fb91dea9 authored by Subash Abhinov Kasiviswanathan's avatar Subash Abhinov Kasiviswanathan
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drivers: rmnet: shs: Check backlog on all flushes 



Checking for backlog will no longer occur for
only cpus with segmented flows. Backlog NET_RX switching
will now be checked for on every silver CPU regardless if
segmented flows are available.

Change-Id: Ic6912e9c3ddd719cb9b0f5b13609ba7161d31b1f
Acked-by: default avatarRaul Martinez <mraul@qti.qualcomm.com>
Signed-off-by: default avatarSubash Abhinov Kasiviswanathan <subashab@codeaurora.org>
parent 901b28da

drivers/rmnet/shs/rmnet_shs_main.c

+3 −5
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 


#define WQ_DELAY 2000000

#define MIN_MS 5

#define BACKLOG_CHECK 1



#define GET_QTAIL(SD, CPU) (per_cpu(SD, CPU).input_queue_tail)

#define GET_QHEAD(SD, CPU) (per_cpu(SD, CPU).input_queue_head)
@@ -1128,7 +1129,6 @@ void rmnet_shs_flush_lock_table(u8 flsh, u8 ctxt) 
	u32 total_cpu_gro_flushed = 0;

	u32 total_node_gro_flushed = 0;

	u8 is_flushed = 0;

	u8 cpu_segment = 0;



	/* Record a qtail + pkts flushed or move if reqd

	 * currently only use qtail for non TCP flows
@@ -1142,7 +1142,6 @@ void rmnet_shs_flush_lock_table(u8 flsh, u8 ctxt) 
	for (cpu_num = 0; cpu_num < MAX_CPUS; cpu_num++) {



		cpu_tail = rmnet_shs_get_cpu_qtail(cpu_num);

		cpu_segment = 0;

		total_cpu_gro_flushed = 0;

		skb_seg_pending = 0;

		list_for_each_safe(ptr, next,
@@ -1151,8 +1150,7 @@ void rmnet_shs_flush_lock_table(u8 flsh, u8 ctxt) 
			skb_seg_pending += n->skb_list.skb_load;

		}

		if (rmnet_shs_inst_rate_switch) {

			cpu_segment = rmnet_shs_cpu_node_tbl[cpu_num].seg;

			rmnet_shs_core_prio_check(cpu_num, cpu_segment,

			rmnet_shs_core_prio_check(cpu_num, BACKLOG_CHECK,

						  skb_seg_pending);

		}
@@ -1195,7 +1193,7 @@ void rmnet_shs_flush_lock_table(u8 flsh, u8 ctxt) 
				rmnet_shs_update_core_load(cpu_num,

				total_cpu_gro_flushed);



			rmnet_shs_core_prio_check(cpu_num, cpu_segment, 0);

			rmnet_shs_core_prio_check(cpu_num, BACKLOG_CHECK, 0);



		}