netfilter: flowtable: add nf_flow_offload_work_alloc() (87265d84) · Commits · 戴 / test

net/netfilter/nf_flow_table_offload.c

+22 −16

Original line number	Diff line number	Diff line
		@@ -748,21 +748,35 @@ static void flow_offload_queue_work(struct flow_offload_work *offload)
		schedule_work(&nf_flow_offload_work);
		}

		void nf_flow_offload_add(struct nf_flowtable *flowtable,
		struct flow_offload *flow)
		static struct flow_offload_work *
		nf_flow_offload_work_alloc(struct nf_flowtable *flowtable,
		struct flow_offload *flow, unsigned int cmd)
		{
		struct flow_offload_work *offload;

		offload = kmalloc(sizeof(struct flow_offload_work), GFP_ATOMIC);
		if (!offload)
		return;
		return NULL;

		offload->cmd = FLOW_CLS_REPLACE;
		offload->cmd = cmd;
		offload->flow = flow;
		offload->priority = flowtable->priority;
		offload->flowtable = flowtable;
		flow->flags \|= FLOW_OFFLOAD_HW;

		return offload;
		}


		void nf_flow_offload_add(struct nf_flowtable *flowtable,
		struct flow_offload *flow)
		{
		struct flow_offload_work *offload;

		offload = nf_flow_offload_work_alloc(flowtable, flow, FLOW_CLS_REPLACE);
		if (!offload)
		return;

		flow->flags \|= FLOW_OFFLOAD_HW;
		flow_offload_queue_work(offload);
		}

		@@ -771,15 +785,11 @@ void nf_flow_offload_del(struct nf_flowtable *flowtable,
		{
		struct flow_offload_work *offload;

		offload = kzalloc(sizeof(struct flow_offload_work), GFP_ATOMIC);
		offload = nf_flow_offload_work_alloc(flowtable, flow, FLOW_CLS_DESTROY);
		if (!offload)
		return;

		offload->cmd = FLOW_CLS_DESTROY;
		offload->flow = flow;
		offload->flow->flags \|= FLOW_OFFLOAD_HW_DYING;
		offload->flowtable = flowtable;

		flow->flags \|= FLOW_OFFLOAD_HW_DYING;
		flow_offload_queue_work(offload);
		}

		@@ -793,14 +803,10 @@ void nf_flow_offload_stats(struct nf_flowtable *flowtable,
		if ((delta >= (9 * NF_FLOW_TIMEOUT) / 10))
		return;

		offload = kzalloc(sizeof(struct flow_offload_work), GFP_ATOMIC);
		offload = nf_flow_offload_work_alloc(flowtable, flow, FLOW_CLS_STATS);
		if (!offload)
		return;

		offload->cmd = FLOW_CLS_STATS;
		offload->flow = flow;
		offload->flowtable = flowtable;

		flow_offload_queue_work(offload);
		}

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