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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-15 15:03:17 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-15 15:03:17 -0700 |
commit | c3da31485f074a6f598b67045b08e2e15d908310 (patch) | |
tree | 64f9ad3d3752e80de2b22b47cbea8f8512dc5d59 /drivers/net/stmmac/descs.h | |
parent | bd0704111e625ebe75418531550cf471215c3267 (diff) | |
parent | 8f7e524ce33ca81b663711404709396165da3cbd (diff) | |
download | kernel-crypto-c3da31485f074a6f598b67045b08e2e15d908310.tar.gz kernel-crypto-c3da31485f074a6f598b67045b08e2e15d908310.tar.xz kernel-crypto-c3da31485f074a6f598b67045b08e2e15d908310.zip |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (53 commits)
vmxnet: fix 2 build problems
net: add support for STMicroelectronics Ethernet controllers.
net: ks8851_mll uses mii interfaces
net/fec_mpc52xx: Fix kernel panic on FEC error
net: Fix OF platform drivers coldplug/hotplug when compiled as modules
TI DaVinci EMAC: Clear statistics register properly.
r8169: partial support and phy init for the 8168d
irda/sa1100_ir: check return value of startup hook
udp: Fix udp_poll() and ioctl()
WAN: fix Cisco HDLC handshaking.
tcp: fix tcp_defer_accept to consider the timeout
3c574_cs: spin_lock the set_multicast_list function
net: Teach pegasus driver to ignore bluetoother adapters with clashing Vendor:Product IDs
netxen: fix pci bar mapping
ethoc: fix warning from 32bit build
libertas: fix build
net: VMware virtual Ethernet NIC driver: vmxnet3
net: Fix IXP 2000 network driver building.
libertas: fix build
mac80211: document ieee80211_rx() context requirement
...
Diffstat (limited to 'drivers/net/stmmac/descs.h')
-rw-r--r-- | drivers/net/stmmac/descs.h | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/drivers/net/stmmac/descs.h b/drivers/net/stmmac/descs.h new file mode 100644 index 00000000000..6d2a0b2f5e5 --- /dev/null +++ b/drivers/net/stmmac/descs.h @@ -0,0 +1,163 @@ +/******************************************************************************* + Header File to describe the DMA descriptors + Use enhanced descriptors in case of GMAC Cores. + + This program is free software; you can redistribute it and/or modify it + under the terms and conditions of the GNU General Public License, + version 2, as published by the Free Software Foundation. + + This program is distributed in the hope it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + + The full GNU General Public License is included in this distribution in + the file called "COPYING". + + Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> +*******************************************************************************/ +struct dma_desc { + /* Receive descriptor */ + union { + struct { + /* RDES0 */ + u32 reserved1:1; + u32 crc_error:1; + u32 dribbling:1; + u32 mii_error:1; + u32 receive_watchdog:1; + u32 frame_type:1; + u32 collision:1; + u32 frame_too_long:1; + u32 last_descriptor:1; + u32 first_descriptor:1; + u32 multicast_frame:1; + u32 run_frame:1; + u32 length_error:1; + u32 partial_frame_error:1; + u32 descriptor_error:1; + u32 error_summary:1; + u32 frame_length:14; + u32 filtering_fail:1; + u32 own:1; + /* RDES1 */ + u32 buffer1_size:11; + u32 buffer2_size:11; + u32 reserved2:2; + u32 second_address_chained:1; + u32 end_ring:1; + u32 reserved3:5; + u32 disable_ic:1; + } rx; + struct { + /* RDES0 */ + u32 payload_csum_error:1; + u32 crc_error:1; + u32 dribbling:1; + u32 error_gmii:1; + u32 receive_watchdog:1; + u32 frame_type:1; + u32 late_collision:1; + u32 ipc_csum_error:1; + u32 last_descriptor:1; + u32 first_descriptor:1; + u32 vlan_tag:1; + u32 overflow_error:1; + u32 length_error:1; + u32 sa_filter_fail:1; + u32 descriptor_error:1; + u32 error_summary:1; + u32 frame_length:14; + u32 da_filter_fail:1; + u32 own:1; + /* RDES1 */ + u32 buffer1_size:13; + u32 reserved1:1; + u32 second_address_chained:1; + u32 end_ring:1; + u32 buffer2_size:13; + u32 reserved2:2; + u32 disable_ic:1; + } erx; /* -- enhanced -- */ + + /* Transmit descriptor */ + struct { + /* TDES0 */ + u32 deferred:1; + u32 underflow_error:1; + u32 excessive_deferral:1; + u32 collision_count:4; + u32 heartbeat_fail:1; + u32 excessive_collisions:1; + u32 late_collision:1; + u32 no_carrier:1; + u32 loss_carrier:1; + u32 reserved1:3; + u32 error_summary:1; + u32 reserved2:15; + u32 own:1; + /* TDES1 */ + u32 buffer1_size:11; + u32 buffer2_size:11; + u32 reserved3:1; + u32 disable_padding:1; + u32 second_address_chained:1; + u32 end_ring:1; + u32 crc_disable:1; + u32 reserved4:2; + u32 first_segment:1; + u32 last_segment:1; + u32 interrupt:1; + } tx; + struct { + /* TDES0 */ + u32 deferred:1; + u32 underflow_error:1; + u32 excessive_deferral:1; + u32 collision_count:4; + u32 vlan_frame:1; + u32 excessive_collisions:1; + u32 late_collision:1; + u32 no_carrier:1; + u32 loss_carrier:1; + u32 payload_error:1; + u32 frame_flushed:1; + u32 jabber_timeout:1; + u32 error_summary:1; + u32 ip_header_error:1; + u32 time_stamp_status:1; + u32 reserved1:2; + u32 second_address_chained:1; + u32 end_ring:1; + u32 checksum_insertion:2; + u32 reserved2:1; + u32 time_stamp_enable:1; + u32 disable_padding:1; + u32 crc_disable:1; + u32 first_segment:1; + u32 last_segment:1; + u32 interrupt:1; + u32 own:1; + /* TDES1 */ + u32 buffer1_size:13; + u32 reserved3:3; + u32 buffer2_size:13; + u32 reserved4:3; + } etx; /* -- enhanced -- */ + } des01; + unsigned int des2; + unsigned int des3; +}; + +/* Transmit checksum insertion control */ +enum tdes_csum_insertion { + cic_disabled = 0, /* Checksum Insertion Control */ + cic_only_ip = 1, /* Only IP header */ + cic_no_pseudoheader = 2, /* IP header but pseudoheader + * is not calculated */ + cic_full = 3, /* IP header and pseudoheader */ +}; |