bump ipv4 routing table size (#13)

* bump ipv4 routing table size

* update test

* update expected test table size, sudo over pfexec on linux

Author: rcgoodfellow

.github/buildomat/jobs/packet-test.sh

@@ -22,6 +22,8 @@
 ####
 #### <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
 
+export RUST_BACKTRACE=1
+
 set -o errexit
 set -o pipefail
 set -o xtrace

.github/buildomat/linux.sh

@@ -12,7 +12,7 @@ if [ $SDE_CALC != $SDE_DEB_SHA256 ]; then
 	echo "downloaded tofino_sde has a bad checksum"
 	exit 1
 fi
-pfexec dpkg -i $PKG
+sudo dpkg -i $PKG
 
 export SDE=/opt/oxide/tofino_sde
 export LD_LIBRARY_PATH="$SDE/lib:$LD_LIBRARY_PATH"

.gitignore

@@ -20,3 +20,4 @@ p4_artifacts*
 
 # OS artifacts
 .DS_Store
+!.github

dpd-client/tests/integration_tests/table_tests.rs

@@ -35,7 +35,8 @@ use dpd_client::ResponseValue;
 // This table has further shrunk to 4022 entries with the open source
 // compiler.  That is being tracked as issue #1092, which will presumably
 // subsume #1013.
-const IPV4_LPM_SIZE: usize = 4022; // ipv4 forwarding table
+// update: with the move to 8192 entries we're now at 8124
+const IPV4_LPM_SIZE: usize = 8125; // ipv4 forwarding table
 const IPV6_LPM_SIZE: usize = 1023; // ipv6 forwarding table
 const SWITCH_IPV4_ADDRS_SIZE: usize = 511; // ipv4 addrs assigned to our ports
 const SWITCH_IPV6_ADDRS_SIZE: usize = 511; // ipv6 addrs assigned to our ports

dpd/p4/constants.p4

@@ -5,7 +5,7 @@ const bit<16> L2_ISOLATED_FLAG = 0x8000;
 //is going to need to come either through ATCAM/ALPM or code restructuring.
 const int IPV4_NAT_TABLE_SIZE		= 1024; // nat routing table
 const int IPV6_NAT_TABLE_SIZE		= 1024; // nat routing table
-const int IPV4_LPM_SIZE			= 4096; // ipv4 forwarding table
+const int IPV4_LPM_SIZE			= 8192; // ipv4 forwarding table
 const int IPV6_LPM_SIZE			= 1024; // ipv6 forwarding table
 
 const int IPV4_ARP_SIZE			= 512;  // arp cache