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This patch switches the MINIX3 ethernet driver stack from a port-based

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model to an instance-based model. Each ethernet driver instance is now
responsible for exactly one network interface card. The port field in
/etc/inet.conf now acts as an instance field instead.

This patch also updates the data link protocol. This update:
- eliminates the concept of ports entirely;
- eliminates DL_GETNAME entirely;
- standardizes on using m_source for IPC and DL_ENDPT for safecopies;
- removes error codes from TASK/STAT replies, as they were unused;
- removes a number of other old or unused fields;
- names and renames a few other fields.

All ethernet drivers have been changed to:
- conform to the new protocol, and exactly that;
- take on an instance number based on a given "instance" argument;
- skip that number of PCI devices in probe iterations;
- use config tables and environment variables based on that number;
- no longer be limited to a predefined maximum of cards in any way;
- get rid of any leftover non-safecopy support and other ancient junk;
- have a correct banner protocol figure, or none at all.

Other changes:
* Inet.conf is now taken to be line-based, and supports #-comments.
  No existing installations are expected to be affected by this.
* A new, select-based asynchio library replaces the old one.
  Kindly contributed by Kees J. Bot.
* Inet now supports use of select() on IP devices.
  Combined, the last two changes together speed up dhcpd
  considerably in the presence of multiple interfaces.
* A small bug has been fixed in nonamed.
This commit is contained in:
David van Moolenbroek
2010-05-17 22:22:53 +00:00
parent f5bce90216
commit 9ba65d2ea8
55 changed files with 1971 additions and 4794 deletions
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drivers/dp8390/dp8390.c
+151 -1072
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File diff suppressed because it is too large Load Diff
drivers/dp8390/dp8390.h
-6
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@@ -277,19 +277,13 @@ typedef struct dpeth
int de_flags;
int de_mode;
eth_stat_t de_stat;
iovec_dat_t de_read_iovec;
iovec_dat_s_t de_read_iovec_s;
int de_safecopy_read;
iovec_dat_t de_write_iovec;
iovec_dat_s_t de_write_iovec_s;
iovec_dat_t de_tmp_iovec;
iovec_dat_s_t de_tmp_iovec_s;
vir_bytes de_read_s;
endpoint_t de_client;
message de_sendmsg;
dp_user2nicf_t de_user2nicf;
dp_user2nicf_s_t de_user2nicf_s;
dp_nic2userf_t de_nic2userf;
dp_nic2userf_s_t de_nic2userf_s;
dp_getblock_t de_getblockf;
} dpeth_t;