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* [dpdk-dev] [PATCH] pcap: revert build patches
@ 2014-03-06 10:11 David Marchand
  2014-03-19 13:49 ` Thomas Monjalon
  0 siblings, 1 reply; 2+ messages in thread
From: David Marchand @ 2014-03-06 10:11 UTC (permalink / raw)
  To: dev

This reverts commit
a0cdfcf936bcccd15d08a22c9cf38013b6859ad2,
ef5b2363627dadacfee7da6ee0c7d1c2b40a30db and
60191b8919ef630a0fd50c32a734dd04802ccbfc .

These patches are creating more problems than solving the initial one (which was
a build error with too old pcap libraries).
Since old pcap librabries are not that common, just revert them.

Reported-by: Meir Tseitlin <mirots@gmail.com>
Reported-by: Mats Liljegren <mats.liljegren@enea.com>
Signed-off-by: David Marchand <david.marchand@6wind.com>
---
 app/test-pmd/Makefile              |    4 ++++
 doc/build-sdk-quick.txt            |    2 --
 lib/librte_pmd_pcap/rte_eth_pcap.c |   12 ------------
 lib/librte_pmd_pcap/rte_eth_pcap.h |    6 ------
 mk/rte.app.mk                      |    5 +----
 mk/rte.sdkbuild.mk                 |    7 -------
 mk/target/generic/rte.vars.mk      |    2 +-
 7 files changed, 6 insertions(+), 32 deletions(-)

diff --git a/app/test-pmd/Makefile b/app/test-pmd/Makefile
index f0d4b4d..bec83eb 100644
--- a/app/test-pmd/Makefile
+++ b/app/test-pmd/Makefile
@@ -39,6 +39,10 @@ APP = testpmd
 CFLAGS += -O3
 CFLAGS += $(WERROR_FLAGS)
 
+ifeq ($(CONFIG_RTE_LIBRTE_PMD_PCAP),y)
+LDFLAGS += -lpcap
+endif
+
 #
 # all source are stored in SRCS-y
 #
diff --git a/doc/build-sdk-quick.txt b/doc/build-sdk-quick.txt
index bf7c350..8989a32 100644
--- a/doc/build-sdk-quick.txt
+++ b/doc/build-sdk-quick.txt
@@ -11,8 +11,6 @@ Build variables
 	EXTRA_CPPFLAGS   preprocessor options
 	EXTRA_CFLAGS     compiler options
 	EXTRA_LDFLAGS    linker options
-	LIBPCAP_CFLAGS   libpcap compiler options
-	LIBPCAP_LDFLAGS  libpcap linker options
 	RTE_KERNELDIR    linux headers path
 	CROSS     toolchain prefix
 	V         verbose
diff --git a/lib/librte_pmd_pcap/rte_eth_pcap.c b/lib/librte_pmd_pcap/rte_eth_pcap.c
index fbafd19..fe94a79 100644
--- a/lib/librte_pmd_pcap/rte_eth_pcap.c
+++ b/lib/librte_pmd_pcap/rte_eth_pcap.c
@@ -217,7 +217,6 @@ eth_pcap_tx_dumper(void *queue,
 	return num_tx;
 }
 
-#ifdef PCAP_CAN_SEND
 /*
  * Callback to handle sending packets through a real NIC.
  */
@@ -248,17 +247,6 @@ eth_pcap_tx(void *queue,
 	tx_queue->err_pkts += nb_pkts - num_tx;
 	return num_tx;
 }
-#else
-static uint16_t
-eth_pcap_tx(__rte_unused void *queue,
-		__rte_unused struct rte_mbuf **bufs,
-		__rte_unused uint16_t nb_pkts)
-{
-	RTE_LOG(ERR, PMD, "pcap library cannot send packets, please rebuild "
-	                  "with a more up to date libpcap\n");
-	return -1;
-}
-#endif
 
 static int
 eth_dev_start(struct rte_eth_dev *dev)
diff --git a/lib/librte_pmd_pcap/rte_eth_pcap.h b/lib/librte_pmd_pcap/rte_eth_pcap.h
index 344b78d..79373c0 100644
--- a/lib/librte_pmd_pcap/rte_eth_pcap.h
+++ b/lib/librte_pmd_pcap/rte_eth_pcap.h
@@ -39,12 +39,6 @@ extern "C" {
 #endif
 #include <pcap.h>
 
-#ifdef pcap_sendpacket
-#define PCAP_CAN_SEND
-#else
-#undef PCAP_CAN_SEND
-#endif
-
 #define RTE_ETH_PCAP_PARAM_NAME "eth_pcap"
 
 /**
diff --git a/mk/rte.app.mk b/mk/rte.app.mk
index d90a0b0..ec8e24e 100644
--- a/mk/rte.app.mk
+++ b/mk/rte.app.mk
@@ -170,10 +170,7 @@ LDLIBS += -lrte_cmdline
 endif
 
 ifeq ($(CONFIG_RTE_LIBRTE_PMD_PCAP),y)
-LDLIBS += -lrte_pmd_pcap
-LIBPCAP_LDFLAGS ?= $(shell pcap-config --libs)
-$(if $(LIBPCAP_LDFLAGS),,$(error LIBPCAP_LDFLAGS is undefined))
-LDLIBS += $(LIBPCAP_LDFLAGS)
+LDLIBS += -lrte_pmd_pcap -lpcap
 endif
 
 LDLIBS += $(EXECENV_LDLIBS)
diff --git a/mk/rte.sdkbuild.mk b/mk/rte.sdkbuild.mk
index 112c288..2975ee4 100644
--- a/mk/rte.sdkbuild.mk
+++ b/mk/rte.sdkbuild.mk
@@ -40,13 +40,6 @@ else
   include $(RTE_SDK)/mk/rte.vars.mk
 endif
 
-ifeq ($(CONFIG_RTE_LIBRTE_PMD_PCAP),y)
-LIBPCAP_CFLAGS ?= $(shell pcap-config --cflags)
-EXTERNAL_LIB_CFLAGS += $(LIBPCAP_CFLAGS)
-endif
-
-export EXTERNAL_LIB_CFLAGS
-
 #
 # include .depdirs and define rules to order priorities between build
 # of directories.
diff --git a/mk/target/generic/rte.vars.mk b/mk/target/generic/rte.vars.mk
index a163272..796cca7 100644
--- a/mk/target/generic/rte.vars.mk
+++ b/mk/target/generic/rte.vars.mk
@@ -108,7 +108,7 @@ include $(RTE_SDK)/mk/rte.cpuflags.mk
 
 # merge all CFLAGS
 CFLAGS := $(CPU_CFLAGS) $(EXECENV_CFLAGS) $(TOOLCHAIN_CFLAGS) $(MACHINE_CFLAGS)
-CFLAGS += $(TARGET_CFLAGS) $(EXTERNAL_LIB_CFLAGS)
+CFLAGS += $(TARGET_CFLAGS)
 
 # merge all LDFLAGS
 LDFLAGS := $(CPU_LDFLAGS) $(EXECENV_LDFLAGS) $(TOOLCHAIN_LDFLAGS) $(MACHINE_LDFLAGS)
-- 
1.7.10.4

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2014-03-06 10:11 [dpdk-dev] [PATCH] pcap: revert build patches David Marchand
2014-03-19 13:49 ` Thomas Monjalon

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