ouroboros/src/ipcpd, branch 0.15.2

build: Set specific compiler flags for SWIG target

2019-03-21T11:33:54+00:00

The compiler flags for the SWIG target were added to the global CMAKE_C_FLAGS used for the entire project. This sets the flags uniquely for the SWIG target. The eth has a similar case for the c99 flag. There was a lingering include in dev.c that was removed. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

ipcpd: Don't reuse fqueue between threads

2019-03-21T08:45:54+00:00

The UDP IPCP was reusing fqueues between threads. This is not supported and lead to bad reads and buffer overflows. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

ipcpd: Restrict MTU for Ethernet over loopback

2019-03-21T08:42:34+00:00

This restricts the MTU for the Ethernet IPCP over loopback adapters (devices named "lo*") to avoid it allocating 65K buffers per packet and quickly filling the default RDRBUFF space. The restriction is set using the build option IPCP_ETH_LO_MTU, with a default value of 1500 bytes. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

ipcpd: Fix strict aliasing warning

2019-03-18T20:00:59+00:00

Some versions of gcc seem to give a positive on the strict aliasing rule. It's absent from newer gcc versions or clang. However, rather than disabling the check for older version, this small rewrite seems to temporarily fix the false positive. Apparently, it's undefined behaviour to simply cast a char/uint8_t buffer to a variable type pointer and then dereference the type. A more elaborate patch to fix the undefined behaviour is needed. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

ipcpd: Revise UDP IPCP

2019-03-18T10:09:31+00:00

The UDP IPCP now uses a fixed server UDP port (default 3435) for all communications. This allows passing firewalls more easily since only a single port needs to be opened. The client port can be fixed as well if needed (default random). It uses an internal eid, so the MTU of the UDP layer is reduced by 4 bytes, similar to the Ethernet IPCPs. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

build: Set default number of threads in eth to 1

2019-03-05T08:10:38+00:00

This makes the eth packet handler single-threaded by default, at least until stability issues that seem to be related to multi-threading are fixed. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

ipcpd: Refactor create_r and flow_req_arr

2019-03-04T07:57:57+00:00

The API calls for the IPCP to inform the IRMd of IPCP creation and incoming flow request had the pid_t in the call. This pid_t is removed and the getpid() call is now placed inside the function. Also refactors the cleanup for the main() functions of some of the lower IPCPs. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

2019-02-05T08:58:08+00:00

Updates the copyright notice in all sources to 2019. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

lib: Fix deallocating non-initialized np1 flows

2018-12-29T09:43:31+00:00

This fixes the deallocation of non-initialized IPCP flows. These can occur when some operations are not implemented. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders

include: Add a flow_join operation for broadcast

2018-12-27T15:08:56+00:00

This adds a new flow_join operaiton for broadcast, which is a much safer solution than overloading destination name semantics. The internal API now also has a different IPCP_FLOW_JOIN operation. The IRMd doesn't need to query broadcasts IPCPs for the name, it can just check if an IPCP with the layer name exists. The broadcast IPCP doesn't need to implement the query proxy call anymore. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders