541 static void prb_del_retire_blk_timer(struct tpacket_kbdq_core *pkc)  in prb_del_retire_blk_timer()  argument
543 	del_timer_sync(&pkc->retire_blk_timer);  in prb_del_retire_blk_timer()
549 	struct tpacket_kbdq_core *pkc;  in prb_shutdown_retire_blk_timer()  local
551 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_shutdown_retire_blk_timer()
554 	pkc->delete_blk_timer = 1;  in prb_shutdown_retire_blk_timer()
557 	prb_del_retire_blk_timer(pkc);  in prb_shutdown_retire_blk_timer()
562 	struct tpacket_kbdq_core *pkc;  in prb_setup_retire_blk_timer()  local
564 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_setup_retire_blk_timer()
565 	timer_setup(&pkc->retire_blk_timer, prb_retire_rx_blk_timer_expired,  in prb_setup_retire_blk_timer()
567 	pkc->retire_blk_timer.expires = jiffies;  in prb_setup_retire_blk_timer()
651 static void _prb_refresh_rx_retire_blk_timer(struct tpacket_kbdq_core *pkc)  in _prb_refresh_rx_retire_blk_timer()  argument
653 	mod_timer(&pkc->retire_blk_timer,  in _prb_refresh_rx_retire_blk_timer()
654 			jiffies + pkc->tov_in_jiffies);  in _prb_refresh_rx_retire_blk_timer()
655 	pkc->last_kactive_blk_num = pkc->kactive_blk_num;  in _prb_refresh_rx_retire_blk_timer()
685 	struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in prb_retire_rx_blk_timer_expired()  local
691 	frozen = prb_queue_frozen(pkc);  in prb_retire_rx_blk_timer_expired()
692 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_retire_rx_blk_timer_expired()
694 	if (unlikely(pkc->delete_blk_timer))  in prb_retire_rx_blk_timer_expired()
708 		write_lock(&pkc->blk_fill_in_prog_lock);  in prb_retire_rx_blk_timer_expired()
709 		write_unlock(&pkc->blk_fill_in_prog_lock);  in prb_retire_rx_blk_timer_expired()
712 	if (pkc->last_kactive_blk_num == pkc->kactive_blk_num) {  in prb_retire_rx_blk_timer_expired()
718 			prb_retire_current_block(pkc, po, TP_STATUS_BLK_TMO);  in prb_retire_rx_blk_timer_expired()
719 			if (!prb_dispatch_next_block(pkc, po))  in prb_retire_rx_blk_timer_expired()
741 				prb_open_block(pkc, pbd);  in prb_retire_rx_blk_timer_expired()
748 	_prb_refresh_rx_retire_blk_timer(pkc);  in prb_retire_rx_blk_timer_expired()
839 static void prb_thaw_queue(struct tpacket_kbdq_core *pkc)  in prb_thaw_queue()  argument
841 	pkc->reset_pending_on_curr_blk = 0;  in prb_thaw_queue()
911 static void prb_freeze_queue(struct tpacket_kbdq_core *pkc,  in prb_freeze_queue()  argument
914 	pkc->reset_pending_on_curr_blk = 1;  in prb_freeze_queue()
926 static void *prb_dispatch_next_block(struct tpacket_kbdq_core *pkc,  in prb_dispatch_next_block()  argument
934 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_dispatch_next_block()
938 		prb_freeze_queue(pkc, po);  in prb_dispatch_next_block()
947 	prb_open_block(pkc, pbd);  in prb_dispatch_next_block()
948 	return (void *)pkc->nxt_offset;  in prb_dispatch_next_block()
951 static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,  in prb_retire_current_block()  argument
954 	struct tpacket_block_desc *pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in prb_retire_current_block()
969 			write_lock(&pkc->blk_fill_in_prog_lock);  in prb_retire_current_block()
970 			write_unlock(&pkc->blk_fill_in_prog_lock);  in prb_retire_current_block()
972 		prb_close_block(pkc, pbd, po, status);  in prb_retire_current_block()
982 static int prb_queue_frozen(struct tpacket_kbdq_core *pkc)  in prb_queue_frozen()  argument
984 	return pkc->reset_pending_on_curr_blk;  in prb_queue_frozen()
988 	__releases(&pkc->blk_fill_in_prog_lock)  in prb_clear_blk_fill_status()
990 	struct tpacket_kbdq_core *pkc  = GET_PBDQC_FROM_RB(rb);  in prb_clear_blk_fill_status()  local
992 	read_unlock(&pkc->blk_fill_in_prog_lock);  in prb_clear_blk_fill_status()
995 static void prb_fill_rxhash(struct tpacket_kbdq_core *pkc,  in prb_fill_rxhash()  argument
998 	ppd->hv1.tp_rxhash = skb_get_hash(pkc->skb);  in prb_fill_rxhash()
1001 static void prb_clear_rxhash(struct tpacket_kbdq_core *pkc,  in prb_clear_rxhash()  argument
1007 static void prb_fill_vlan_info(struct tpacket_kbdq_core *pkc,  in prb_fill_vlan_info()  argument
1010 	if (skb_vlan_tag_present(pkc->skb)) {  in prb_fill_vlan_info()
1011 		ppd->hv1.tp_vlan_tci = skb_vlan_tag_get(pkc->skb);  in prb_fill_vlan_info()
1012 		ppd->hv1.tp_vlan_tpid = ntohs(pkc->skb->vlan_proto);  in prb_fill_vlan_info()
1021 static void prb_run_all_ft_ops(struct tpacket_kbdq_core *pkc,  in prb_run_all_ft_ops()  argument
1025 	prb_fill_vlan_info(pkc, ppd);  in prb_run_all_ft_ops()
1027 	if (pkc->feature_req_word & TP_FT_REQ_FILL_RXHASH)  in prb_run_all_ft_ops()
1028 		prb_fill_rxhash(pkc, ppd);  in prb_run_all_ft_ops()
1030 		prb_clear_rxhash(pkc, ppd);  in prb_run_all_ft_ops()
1034 				struct tpacket_kbdq_core *pkc,  in prb_fill_curr_block()  argument
1037 	__acquires(&pkc->blk_fill_in_prog_lock)  in prb_fill_curr_block()
1043 	pkc->prev = curr;  in prb_fill_curr_block()
1044 	pkc->nxt_offset += TOTAL_PKT_LEN_INCL_ALIGN(len);  in prb_fill_curr_block()
1047 	read_lock(&pkc->blk_fill_in_prog_lock);  in prb_fill_curr_block()
1048 	prb_run_all_ft_ops(pkc, ppd);  in prb_fill_curr_block()
1057 	struct tpacket_kbdq_core *pkc;  in __packet_lookup_frame_in_block()  local
1061 	pkc = GET_PBDQC_FROM_RB(&po->rx_ring);  in __packet_lookup_frame_in_block()
1062 	pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in __packet_lookup_frame_in_block()
1065 	if (prb_queue_frozen(pkc)) {  in __packet_lookup_frame_in_block()
1080 			prb_open_block(pkc, pbd);  in __packet_lookup_frame_in_block()
1085 	curr = pkc->nxt_offset;  in __packet_lookup_frame_in_block()
1086 	pkc->skb = skb;  in __packet_lookup_frame_in_block()
1087 	end = (char *)pbd + pkc->kblk_size;  in __packet_lookup_frame_in_block()
1091 		prb_fill_curr_block(curr, pkc, pbd, len);  in __packet_lookup_frame_in_block()
1096 	prb_retire_current_block(pkc, po, 0);  in __packet_lookup_frame_in_block()
1099 	curr = (char *)prb_dispatch_next_block(pkc, po);  in __packet_lookup_frame_in_block()
1101 		pbd = GET_CURR_PBLOCK_DESC_FROM_CORE(pkc);  in __packet_lookup_frame_in_block()
1102 		prb_fill_curr_block(curr, pkc, pbd, len);  in __packet_lookup_frame_in_block()
1138 	struct tpacket_kbdq_core *pkc  = GET_PBDQC_FROM_RB(rb);  in prb_lookup_block()  local
1139 	struct tpacket_block_desc *pbd = GET_PBLOCK_DESC(pkc, idx);  in prb_lookup_block()