Dear Joe Hershberger, > Link-local support allows the bootloader to get a usable network address > regardless of network environment. Given that bootloaders may not always > have access to a DHCP server, this functionality makes accessing it in > those environments easier. It is also referred to as zero-configuration > IP. > > The following script allows the network to be configured for DHCP, > link-local, and static IP addresses configurably by the environment using > "dhcpenabled" and "linklocalenabled". > > #define CONFIG_EXTRA_ENV_SETTINGS \ > "ipconfigcmd=if test \\\"$dhcpenabled\\\" -ne 0;" \ > "then " \ > "dhcpfail=0;dhcp || dhcpfail=1;" \ > "else " \ > "dhcpfail=-1;" \ > "fi;" \ > "if test \\\"$linklocalenabled\\\" -ne 0 -a " \ > "\\\"$dhcpfail\\\" -ne 0;" \ > "then " \ > "linklocal;" \ > "llfail=0;" \ > "else " \ > "llfail=-1;" \ > "fi;" \ > "if test \\\"$llfail\\\" -ne 0 -a " \ > "\\\"$dhcpfail\\\" -ne 0; " \ > "then " \ > "setenv ipaddr $sipaddr; " \ > "setenv netmask $snetmask; " \ > "setenv gatewayip $sgatewayip; " \ > "fi;\0" \ > > Some refactoring of net/ was done to make adding link-local support cleaner > as well as generally improving the readability and organization of the > code. > > Tested on da850_am18xxevm > Tested on MPC8313ERDB_33 > > check-patch > No warnings or errors (depends on ignoring CONSIDER_KSTRTO) > > MAKEALL -a powerpc > No additional warnings or errors beyond master > > MAKEALL -a arm > No additional warnings or errors beyond master > > git-test-sequence > Cleanly bisectable > Code-size affects on MPC8313ERDB_33 shown below > > > cat sizeofMCP8313 > > make BUILD_DIR=/tmp/u-boot-build/ ARCH=powerpc > CROSS_COMPILE=powerpc-linux-gnu- USE_PRIVATE_LIBGG=yes distclean > > /dev/null && \ make BUILD_DIR=/tmp/u-boot-build/ ARCH=powerpc > CROSS_COMPILE=powerpc-linux-gnu- MPC8313ERDB_33_config > /dev/null && \ > make BUILD_DIR=/tmp/u-boot-build/ ARCH=powerpc > CROSS_COMPILE=powerpc-linux-gnu- USE_PRIVATE_LIBGG=yes > /dev/null && \ > powerpc-linux-gnu-size /tmp/u-boot-build/u-boot > > > git-test-sequence origin/master.. './sizeofMCP8313' > > Testing ./sizeofMCP8313 > HEAD is now at 4dbe8d8 net: Remove volatile from all of net except the eth > driver interface text data bss dec hex filename > 264917 24880 42104 331901 5107d /tmp/u-boot-build/ppc/u-boot > Passed: 90ea672853753b5a4244db60d095e5f99cdcfe7d. > Testing ./sizeofMCP8313 > HEAD is now at 92893c4 net: cosmetic: checkpatch compliance > text data bss dec hex filename > 264917 24880 42104 331901 5107d /tmp/u-boot-build/ppc/u-boot > Passed: 12b0b6e953406a1ed98d1c4dd9701078d1dfe00d. > Testing ./sizeofMCP8313 > HEAD is now at d6c19a3 net: Move mv64x6x_eth_initialize() to > board_eth_init() text data bss dec hex filename > 264917 24880 42104 331901 5107d /tmp/u-boot-build/ppc/u-boot > Passed: cf9f493ab5d08a282ec9905797fa58d82b15714d. > Testing ./sizeofMCP8313 > HEAD is now at 52403e8 net: Make the MAC-seeded random number generator > available to /net text data bss dec hex filename > 264917 24880 42104 331901 5107d /tmp/u-boot-build/ppc/u-boot > Passed: a92c9c9e8f68337a78ee2d7c6775299d7c057b52. > Testing ./sizeofMCP8313 > HEAD is now at ff86c81 net: Move CDP out of net.c > text data bss dec hex filename > 264917 24880 42104 331901 5107d /tmp/u-boot-build/ppc/u-boot > Passed: 9bf01065cb04c34e43cc5d56162aa2dac9d61f3e. > Testing ./sizeofMCP8313 > HEAD is now at da1998d net: Move ARP out of net.c > text data bss dec hex filename > 265045 24928 42104 332077 5112d /tmp/u-boot-build/ppc/u-boot > Passed: 621d67b8c6126ef6510d0a2b2c06ce410cd60327. > Testing ./sizeofMCP8313 > HEAD is now at 408b8ab net: Move PING out of net.c > text data bss dec hex filename > 265237 24976 42096 332309 51215 /tmp/u-boot-build/ppc/u-boot > Passed: e8aaa7382de39137c91809ba2e121f87338627d5. > Testing ./sizeofMCP8313 > HEAD is now at 1b3ed14 net: Move RARP receive logic out of net.c > text data bss dec hex filename > 265237 24976 42096 332309 51215 /tmp/u-boot-build/ppc/u-boot > Passed: 7a8216874def295337178da67078758cbf909681. > Testing ./sizeofMCP8313 > HEAD is now at 50eb857 net: cosmetic: Un-typedef variables in net > text data bss dec hex filename > 265237 24976 42096 332309 51215 /tmp/u-boot-build/ppc/u-boot > Passed: b679739af8ffc6f9a31264c175077f4ac96c236d. > Testing ./sizeofMCP8313 > HEAD is now at 22259f9 net: cosmetic: Improve variable names and code > readability text data bss dec hex filename > 265237 24976 42096 332309 51215 /tmp/u-boot-build/ppc/u-boot > Passed: 834a569897337636fe861797625fbdbbe1373f75. > Testing ./sizeofMCP8313 > HEAD is now at 5340a18 net: Refactor IP, UPD, and ICMP header writing > functions text data bss dec hex filename > 265237 24972 42096 332305 51211 /tmp/u-boot-build/ppc/u-boot > Passed: 20b84dcfa7d355010cacc3493e1e86521b00879f. > Testing ./sizeofMCP8313 > HEAD is now at 275e230 net: Refactor packet length computations > text data bss dec hex filename > 265221 24972 42096 332289 51201 /tmp/u-boot-build/ppc/u-boot > Passed: d078d84d959dbb40a67baa16e8b0d210e6472c79. > Testing ./sizeofMCP8313 > HEAD is now at c1214f2 net: Refactor bootp packet length computations > text data bss dec hex filename > 265221 24972 42096 332289 51201 /tmp/u-boot-build/ppc/u-boot > Passed: 3ff5dfd46c8f70ec2304a150a606871b7504cf42. > Testing ./sizeofMCP8313 > HEAD is now at 9cff376 net: Refactor ping recieve handler > text data bss dec hex filename > 265093 24968 42096 332157 5117d /tmp/u-boot-build/ppc/u-boot > Passed: e531ec8d3986f45d30862eacce73b0db55e2fb13. > Testing ./sizeofMCP8313 > HEAD is now at e47e5ac net: Refactor to call NetSendPacket() instead of > calling eth_send() text data bss dec hex filename > 265093 24968 42096 332157 5117d /tmp/u-boot-build/ppc/u-boot > Passed: 4a78d3ab2514c8d00bc18978f7a489a800a3a77b. > Testing ./sizeofMCP8313 > HEAD is now at 9bcb672 net: Refactor to protect access to the NetState > variable text data bss dec hex filename > 265109 24956 42096 332161 51181 /tmp/u-boot-build/ppc/u-boot > Passed: 8ecfa86d86fe2624cb509c41fbaec8dcf13a9945. > Testing ./sizeofMCP8313 > HEAD is now at a2c79e3 net: Refactor to separate the UDP handler from the > ARP handler text data bss dec hex filename > 265317 24956 42112 332385 51261 /tmp/u-boot-build/ppc/u-boot > Passed: f66f88edda9ec16b3de20a10faa1c6bb35f316c2. > Testing ./sizeofMCP8313 > HEAD is now at 502deaa net: Add NetUpdateEther() to handle ARP or Ping > replies (VLAN or SNAP) text data bss dec hex filename > 265429 24952 42112 332493 512cd /tmp/u-boot-build/ppc/u-boot > Passed: 3daff36dc0b5b65b8df7a3a7011f1e5f89eb5a9d. > Testing ./sizeofMCP8313 > HEAD is now at 315bd4d net: Don't write the "serverip" env var if told not > to in the config text data bss dec hex filename > 265429 24952 42112 332493 512cd /tmp/u-boot-build/ppc/u-boot > Passed: b0e7a73485c771eed710d6b9afd1e80e0ccc2cfa. > Testing ./sizeofMCP8313 > HEAD is now at 82b1968 net: Fix compile warning if CONFIG_BOOTP_SERVERIP is > not defined text data bss dec hex filename > 265429 24952 42112 332493 512cd /tmp/u-boot-build/ppc/u-boot > Passed: 121eb763232d5cf6a4e66f6c100713537f6036cf. > Testing ./sizeofMCP8313 > HEAD is now at cebdefe net: Remove unneeded static allocation for MAC > address in PingSend() text data bss dec hex filename > 265397 24944 42104 332445 5129d /tmp/u-boot-build/ppc/u-boot > Passed: 1366a9b1529e9752dd4a47d7c82545b13e11b461. > Testing ./sizeofMCP8313 > HEAD is now at 8f856ad net: Fix net buffer initialization > text data bss dec hex filename > 265605 24956 42104 332665 51379 /tmp/u-boot-build/ppc/u-boot > Passed: 16cbef4189d5be4837c3de9dc2ac0bcf8d89fa75. > Testing ./sizeofMCP8313 > HEAD is now at 002991b net: Refactor NetSendUDPPacket to share more code > text data bss dec hex filename > 265557 24956 42104 332617 51349 /tmp/u-boot-build/ppc/u-boot > Passed: 7f001d4025dc564fe2a96a1e32214e194b891bd1. > Testing ./sizeofMCP8313 > HEAD is now at 314902e net: Don't copy every packet that waits for an ARP > text data bss dec hex filename > 265573 24956 42104 332633 51359 /tmp/u-boot-build/ppc/u-boot > Passed: 3be3cdd2224c88c88442e48c0f4f836d7be1d8ae. > Testing ./sizeofMCP8313 > HEAD is now at 2a43805 net: Add option CONFIG_BOOTP_CAN_FAIL > text data bss dec hex filename > 265573 24956 42104 332633 51359 /tmp/u-boot-build/ppc/u-boot > Passed: 4d578ba84228e51a56249035207085f0845d3be8. > Testing ./sizeofMCP8313 > HEAD is now at defb33c net: Add link-local addressing support > text data bss dec hex filename > 265577 24956 42104 332637 5135d /tmp/u-boot-build/ppc/u-boot > Passed: cb6b29e82f292b5b27aec6f51f2f9d50e1f8b0f8. > Testing ./sizeofMCP8313 > HEAD is now at 615c707 net: Work-around for brain-damaged Cisco routers > with arp-proxy text data bss dec hex filename > 265657 24956 42104 332717 513ad /tmp/u-boot-build/ppc/u-boot > Passed: 63a3ddaf7e029bb7ec71b1edb42473ae6a208dec. > Testing ./sizeofMCP8313 > HEAD is now at 7d5229d net: Allow filtering on debug traces in the net > subsystem text data bss dec hex filename > 265594 24948 42104 332646 51366 /tmp/u-boot-build/ppc/u-boot > Passed: 1cf14c686c5b60bfa48d8bfd6eb40e20ac0c378b. > All's well. > > > Joe Hershberger (28): > net: Remove volatile from all of net except the eth driver interface > net: cosmetic: checkpatch compliance > net: Move mv64x6x_eth_initialize() to board_eth_init() > net: Make the MAC-seeded random number generator available to /net > net: Move CDP out of net.c > net: Move ARP out of net.c > net: Move PING out of net.c > net: Move RARP receive logic out of net.c > net: cosmetic: Un-typedef variables in net > net: cosmetic: Improve variable names and code readability > net: Refactor IP, UPD, and ICMP header writing functions > net: Refactor packet length computations > net: Refactor bootp packet length computations > net: Refactor ping recieve handler > net: Refactor to call NetSendPacket() instead of calling eth_send() > net: Refactor to protect access to the NetState variable > net: Refactor to separate the UDP handler from the ARP handler > net: Add NetUpdateEther() to handle ARP or Ping replies (VLAN or > SNAP) > net: Don't write the "serverip" env var if told not to in the config > net: Fix compile warning if CONFIG_BOOTP_SERVERIP is not defined > net: Remove unneeded static allocation for MAC address in PingSend() > net: Fix net buffer initialization > net: Refactor NetSendUDPPacket to share more code > net: Don't copy every packet that waits for an ARP > net: Add option CONFIG_BOOTP_CAN_FAIL > net: Add link-local addressing support > net: Work-around for brain-damaged Cisco routers with arp-proxy > net: Allow filtering on debug traces in the net subsystem > > README | 22 +- > arch/powerpc/cpu/mpc8260/ether_fcc.c | 10 +- > arch/powerpc/cpu/mpc8xx/fec.c | 2 +- > board/Marvell/db64360/db64360.c | 12 +- > board/Marvell/db64360/mv_eth.c | 78 ++- > board/Marvell/db64360/mv_eth.h | 63 +-- > board/Marvell/db64460/db64460.c | 12 +- > board/Marvell/db64460/mv_eth.c | 78 ++- > board/Marvell/db64460/mv_eth.h | 63 +-- > board/esd/cpci750/cpci750.c | 6 + > board/esd/cpci750/mv_eth.c | 78 ++- > board/esd/cpci750/mv_eth.h | 63 +-- > board/prodrive/p3mx/mv_eth.c | 78 ++- > board/prodrive/p3mx/mv_eth.h | 63 +-- > board/prodrive/p3mx/p3mx.c | 6 + > common/cmd_net.c | 34 +- > common/main.c | 1 - > drivers/net/netconsole.c | 130 ++-- > include/common.h | 4 + > include/configs/am3517_crane.h | 2 +- > include/configs/am3517_evm.h | 2 +- > include/configs/origen.h | 2 +- > include/net.h | 206 ++++--- > net/Makefile | 8 +- > net/arp.c | 242 +++++++ > net/arp.h | 30 + > net/bootp.c | 435 ++++++------- > net/bootp.h | 60 +- > net/cdp.c | 372 +++++++++++ > net/cdp.h | 18 + > net/dns.c | 12 +- > net/eth.c | 75 +-- > net/link_local.c | 340 ++++++++++ > net/link_local.h | 21 + > net/net.c | 1152 > +++++++++------------------------- net/net_rand.c | > 68 ++ > net/net_rand.h | 18 + > net/nfs.c | 306 +++++----- > net/nfs.h | 2 +- > net/ping.c | 119 ++++ > net/ping.h | 20 + > net/rarp.c | 77 ++- > net/rarp.h | 5 +- > net/sntp.c | 37 +- > net/sntp.h | 2 +- > net/tftp.c | 50 +- > net/tftp.h | 2 +- > 47 files changed, 2625 insertions(+), 1861 deletions(-) > create mode 100644 net/arp.c > create mode 100644 net/arp.h > create mode 100644 net/cdp.c > create mode 100644 net/cdp.h > create mode 100644 net/link_local.c > create mode 100644 net/link_local.h > create mode 100644 net/net_rand.c > create mode 100644 net/net_rand.h > create mode 100644 net/ping.c > create mode 100644 net/ping.h >
is it correct you're the new network custodian in uboot? _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
