Thread (12 messages) flat view 12 messages, 3 authors, 2017-09-18

Re: [PATCH] ixgbe: eliminate duplicate filterlist symbols

From: Ferruh Yigit <hidden>
Date: 2017-08-28 13:26:41
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

On 8/25/2017 8:21 PM, David Harton wrote:
quoted hunk ↗ jump to hunk
Some compilers generate warnings for duplicate symbols for the
set of filter lists current defined in ixgbe_ethdev.h.
This commits moves the defintion and declaration to the source
file that actually uses them and provides a function to
initialize the values akin to its flush function.

Signed-off-by: David Harton <redacted>
---
 drivers/net/ixgbe/ixgbe_ethdev.c |  8 ++------
 drivers/net/ixgbe/ixgbe_ethdev.h |  7 +------
 drivers/net/ixgbe/ixgbe_flow.c   | 18 ++++++++++++++++++
 3 files changed, 21 insertions(+), 12 deletions(-)
diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 1ec5aaf..ed21af5 100644
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -1332,12 +1332,8 @@ struct rte_ixgbe_xstats_name_off {
 	/* initialize l2 tunnel filter list & hash */
 	ixgbe_l2_tn_filter_init(eth_dev);
 
-	TAILQ_INIT(&filter_ntuple_list);
-	TAILQ_INIT(&filter_ethertype_list);
-	TAILQ_INIT(&filter_syn_list);
-	TAILQ_INIT(&filter_fdir_list);
-	TAILQ_INIT(&filter_l2_tunnel_list);
-	TAILQ_INIT(&ixgbe_flow_list);
+	/* initialize flow filter lists */
+	ixgbe_filterlist_init();
Will it work if list initialization converted to the static
initialization? That would remove requirement of this function call.

something like:
diff --git a/drivers/net/ixgbe/ixgbe_flow.c b/drivers/net/ixgbe/ixgbe_flow.c
index c8645f056..6184eb4af 100644
--- a/drivers/net/ixgbe/ixgbe_flow.c
+++ b/drivers/net/ixgbe/ixgbe_flow.c
@@ -79,6 +79,24 @@
 #define IXGBE_MAX_N_TUPLE_PRIO 7
 #define IXGBE_MAX_FLX_SOURCE_OFF 62

+static TAILQ_HEAD(ixgbe_ntuple_filter_list, ixgbe_ntuple_filter_ele)
+       filter_ntuple_list = TAILQ_HEAD_INITIALIZER(filter_ntuple_list);
+
+static TAILQ_HEAD(ixgbe_ethertype_filter_list, ixgbe_ethertype_filter_ele)
+       filter_ethertype_list =
TAILQ_HEAD_INITIALIZER(filter_ethertype_list);
+
+static TAILQ_HEAD(ixgbe_syn_filter_list, ixgbe_eth_syn_filter_ele)
+       filter_syn_list = TAILQ_HEAD_INITIALIZER(filter_syn_list);
+
+static TAILQ_HEAD(ixgbe_fdir_rule_filter_list, ixgbe_fdir_rule_ele)
+       filter_fdir_list = TAILQ_HEAD_INITIALIZER(filter_fdir_list);
+
+static TAILQ_HEAD(ixgbe_l2_tunnel_filter_list,
ixgbe_eth_l2_tunnel_conf_ele)
+       filter_l2_tunnel_list =
TAILQ_HEAD_INITIALIZER(filter_l2_tunnel_list);
+
+static TAILQ_HEAD(ixgbe_flow_mem_list, ixgbe_flow_mem)
+       ixgbe_flow_list = TAILQ_HEAD_INITIALIZER(ixgbe_flow_list);
+
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